diff --git a/src/app/api/admin/bulk-import/execute/route.ts b/src/app/api/admin/bulk-import/execute/route.ts
index 2abc2df..e051c01 100644
--- a/src/app/api/admin/bulk-import/execute/route.ts
+++ b/src/app/api/admin/bulk-import/execute/route.ts
@@ -31,6 +31,7 @@ const RECYCLABLE_STATUSES = [
 interface ImportItem {
   folderPath: string;
   asin: string;
+  audioFiles?: string[]; // Specific files to import (from scanner grouping)
 }
 
 interface ImportResult {
@@ -105,7 +106,7 @@ export async function POST(request: NextRequest) {
         const results: ImportResult[] = [];
 
         for (const item of imports) {
-          const { folderPath, asin } = item;
+          const { folderPath, asin, audioFiles: itemAudioFiles } = item;
 
           try {
             // Validate path
@@ -119,7 +120,7 @@ export async function POST(request: NextRequest) {
               continue;
             }
 
-            // Verify directory exists and has audio files
+            // Verify directory exists
             try {
               const stat = await fs.stat(normalizedPath);
               if (!stat.isDirectory()) {
@@ -131,10 +132,14 @@ export async function POST(request: NextRequest) {
               continue;
             }
 
-            const hasAudio = await hasAudioFiles(normalizedPath);
-            if (!hasAudio) {
-              results.push({ folderPath, asin, success: false, error: 'No audio files' });
-              continue;
+            // Verify audio files: if specific files provided, trust the scanner;
+            // otherwise fall back to folder-level check
+            if (!itemAudioFiles || itemAudioFiles.length === 0) {
+              const hasAudio = await hasAudioFiles(normalizedPath);
+              if (!hasAudio) {
+                results.push({ folderPath, asin, success: false, error: 'No audio files' });
+                continue;
+              }
             }
 
             // Resolve or create audiobook record
@@ -250,8 +255,15 @@ export async function POST(request: NextRequest) {
               requestId = newReq.id;
             }
 
-            // Queue organize_files job
-            await jobQueue.addOrganizeJob(requestId, audiobookId, normalizedPath);
+            // Queue organize_files job (pass specific files if scanner provided them)
+            await jobQueue.addOrganizeJob(
+              requestId,
+              audiobookId,
+              normalizedPath,
+              undefined,
+              false,
+              itemAudioFiles && itemAudioFiles.length > 0 ? itemAudioFiles : undefined
+            );
 
             results.push({ folderPath, asin, success: true, requestId });
             logger.info(`Bulk import queued: asin=${asin}, path=${normalizedPath}, request=${requestId}`);
diff --git a/src/app/api/admin/bulk-import/scan/route.ts b/src/app/api/admin/bulk-import/scan/route.ts
index 36bf408..a74e217 100644
--- a/src/app/api/admin/bulk-import/scan/route.ts
+++ b/src/app/api/admin/bulk-import/scan/route.ts
@@ -209,6 +209,7 @@ export async function POST(request: NextRequest) {
                 totalSizeBytes: book.totalSizeBytes,
                 metadataSource: book.metadataSource,
                 searchTerm: book.searchTerm,
+                audioFiles: book.audioFiles,
                 match: match
                   ? {
                       asin: match.asin,
diff --git a/src/app/api/admin/filesystem/browse/route.ts b/src/app/api/admin/filesystem/browse/route.ts
index 4f385e2..982573a 100644
--- a/src/app/api/admin/filesystem/browse/route.ts
+++ b/src/app/api/admin/filesystem/browse/route.ts
@@ -17,47 +17,6 @@ const logger = RMABLogger.create('API.Admin.Filesystem.Browse');
 interface DirectoryEntry {
   name: string;
   type: 'directory';
-  audioFileCount: number;
-  subfolderCount: number;
-  totalSize: number;
-}
-
-/**
- * Scan immediate children of a directory to gather audio file and subfolder stats.
- */
-async function getDirectoryStats(
-  dirPath: string
-): Promise<{ audioFileCount: number; subfolderCount: number; totalSize: number }> {
-  const fs = await import('fs/promises');
-  const pathModule = await import('path');
-
-  let audioFileCount = 0;
-  let subfolderCount = 0;
-  let totalSize = 0;
-
-  try {
-    const children = await fs.readdir(dirPath, { withFileTypes: true });
-    for (const child of children) {
-      if (child.isDirectory()) {
-        subfolderCount++;
-      } else if (child.isFile()) {
-        const ext = pathModule.extname(child.name).toLowerCase();
-        if ((AUDIO_EXTENSIONS as readonly string[]).includes(ext)) {
-          audioFileCount++;
-          try {
-            const stat = await fs.stat(pathModule.join(dirPath, child.name));
-            totalSize += stat.size;
-          } catch {
-            /* skip unreadable files */
-          }
-        }
-      }
-    }
-  } catch {
-    /* directory not readable */
-  }
-
-  return { audioFileCount, subfolderCount, totalSize };
 }
 
 /**
@@ -152,20 +111,11 @@ export async function GET(request: NextRequest) {
         // Read directory entries
         const dirEntries = await fs.readdir(normalizedPath, { withFileTypes: true });
 
-        // Gather stats for each subdirectory (parallel for performance)
-        const directoryEntries = dirEntries.filter((e) => e.isDirectory());
-        const statsPromises = directoryEntries.map(async (entry): Promise<DirectoryEntry> => {
-          const fullPath = pathModule.join(normalizedPath, entry.name);
-          const stats = await getDirectoryStats(fullPath);
-          return {
-            name: entry.name,
-            type: 'directory',
-            ...stats,
-          };
-        });
-
-        const entries = await Promise.all(statsPromises);
-        entries.sort((a, b) => a.name.localeCompare(b.name));
+        // List subdirectories (no nested stat calls — keeps browsing fast)
+        const entries: DirectoryEntry[] = dirEntries
+          .filter((e) => e.isDirectory())
+          .map((entry) => ({ name: entry.name, type: 'directory' as const }))
+          .sort((a, b) => a.name.localeCompare(b.name));
 
         // Gather audio files in the current directory
         const audioFiles: Array<{ name: string; size: number }> = [];
diff --git a/src/app/api/admin/manual-import/route.ts b/src/app/api/admin/manual-import/route.ts
index d7bd546..2c46c85 100644
--- a/src/app/api/admin/manual-import/route.ts
+++ b/src/app/api/admin/manual-import/route.ts
@@ -55,9 +55,25 @@ export async function POST(request: NextRequest) {
         const fs = await import('fs/promises');
 
         const body = await request.json();
-        const { folderPath, asin, cleanupSource } = body;
+        const { folderPath, asin, cleanupSource, selectedFiles } = body;
         let { audiobookId } = body;
 
+        // Validate selectedFiles if provided
+        if (selectedFiles !== undefined) {
+          if (!Array.isArray(selectedFiles) || selectedFiles.length === 0) {
+            return NextResponse.json(
+              { error: 'selectedFiles must be a non-empty array of file names' },
+              { status: 400 }
+            );
+          }
+          if (!selectedFiles.every((f: unknown) => typeof f === 'string')) {
+            return NextResponse.json(
+              { error: 'selectedFiles must contain only strings' },
+              { status: 400 }
+            );
+          }
+        }
+
         // Validate required fields
         if ((!audiobookId && !asin) || !folderPath) {
           return NextResponse.json(
@@ -120,13 +136,52 @@ export async function POST(request: NextRequest) {
           );
         }
 
-        // Verify folder contains audio files
-        const audioCheck = await hasAudioFiles(normalizedPath);
-        if (!audioCheck.found) {
-          return NextResponse.json(
-            { error: 'No audio files found in the selected directory' },
-            { status: 400 }
-          );
+        // Verify selected files exist and are audio files, or fall back to folder scan
+        let audioFileCount: number;
+        const validatedFiles: string[] = [];
+
+        if (selectedFiles && selectedFiles.length > 0) {
+          for (const fileName of selectedFiles as string[]) {
+            // Prevent path traversal
+            if (fileName.includes('/') || fileName.includes('\\') || fileName === '..' || fileName === '.') {
+              return NextResponse.json(
+                { error: `Invalid file name: ${fileName}` },
+                { status: 400 }
+              );
+            }
+            const ext = pathModule.extname(fileName).toLowerCase();
+            if (!(AUDIO_EXTENSIONS as readonly string[]).includes(ext)) {
+              return NextResponse.json(
+                { error: `Not an audio file: ${fileName}` },
+                { status: 400 }
+              );
+            }
+            try {
+              const fileStat = await fs.stat(pathModule.join(normalizedPath, fileName));
+              if (!fileStat.isFile()) {
+                return NextResponse.json(
+                  { error: `Not a file: ${fileName}` },
+                  { status: 400 }
+                );
+              }
+              validatedFiles.push(fileName);
+            } catch {
+              return NextResponse.json(
+                { error: `File not found: ${fileName}` },
+                { status: 404 }
+              );
+            }
+          }
+          audioFileCount = validatedFiles.length;
+        } else {
+          const audioCheck = await hasAudioFiles(normalizedPath);
+          if (!audioCheck.found) {
+            return NextResponse.json(
+              { error: 'No audio files found in the selected directory' },
+              { status: 400 }
+            );
+          }
+          audioFileCount = audioCheck.count;
         }
 
         // Resolve audiobook by ASIN if audiobookId not provided
@@ -317,9 +372,16 @@ export async function POST(request: NextRequest) {
 
         // Queue organize_files job
         const jobQueue = getJobQueueService();
-        await jobQueue.addOrganizeJob(requestId, audiobookId, normalizedPath, undefined, cleanupSource === true);
+        await jobQueue.addOrganizeJob(
+          requestId,
+          audiobookId,
+          normalizedPath,
+          undefined,
+          cleanupSource === true,
+          validatedFiles.length > 0 ? validatedFiles : undefined
+        );
 
-        logger.info(`Manual import queued: request=${requestId}, path=${normalizedPath}, audioFiles=${audioCheck.count}`);
+        logger.info(`Manual import queued: request=${requestId}, path=${normalizedPath}, audioFiles=${audioFileCount}`);
 
         return NextResponse.json({
           success: true,
diff --git a/src/components/admin/BulkImportWizard.tsx b/src/components/admin/BulkImportWizard.tsx
index bb6bc2b..9256cd3 100644
--- a/src/components/admin/BulkImportWizard.tsx
+++ b/src/components/admin/BulkImportWizard.tsx
@@ -205,6 +205,7 @@ export function BulkImportWizard({ isOpen, onClose }: BulkImportWizardProps) {
           imports: booksToImport.map((b) => ({
             folderPath: b.folderPath,
             asin: b.match!.asin,
+            audioFiles: b.audioFiles,
           })),
         }),
       });
diff --git a/src/components/admin/bulk-import/ScanFolderStep.tsx b/src/components/admin/bulk-import/ScanFolderStep.tsx
index fb63645..f4e5593 100644
--- a/src/components/admin/bulk-import/ScanFolderStep.tsx
+++ b/src/components/admin/bulk-import/ScanFolderStep.tsx
@@ -18,13 +18,12 @@ import {
   HomeIcon,
   ChevronRightIcon,
   ArrowLeftIcon,
-  MusicalNoteIcon,
   ExclamationTriangleIcon,
   ArrowPathIcon,
   MagnifyingGlassIcon,
 } from '@heroicons/react/24/outline';
 import { fetchWithAuth } from '@/lib/utils/api';
-import { RootEntry, DirectoryEntry, formatBytes } from './types';
+import { RootEntry, DirectoryEntry } from './types';
 
 function SkeletonRow() {
   return (
@@ -149,9 +148,8 @@ export function ScanFolderStep({ onFolderSelected }: ScanFolderStepProps) {
     ];
   })();
 
-  // Count total audio files and subfolders in current listing
-  const totalSubfolders = entries.reduce((sum, e) => sum + e.subfolderCount, 0);
-  const totalAudioInChildren = entries.reduce((sum, e) => sum + e.audioFileCount, 0);
+  // Count subfolders in current listing
+  const totalSubfolders = entries.length;
 
   return (
     <div className="flex flex-col h-full">
@@ -248,7 +246,6 @@ export function ScanFolderStep({ onFolderSelected }: ScanFolderStepProps) {
         {currentPath && !isLoading && !error && entries.length > 0 && (
           <div className="divide-y divide-gray-100 dark:divide-gray-800">
             {entries.map((entry) => {
-              const hasAudio = entry.audioFileCount > 0;
               const isHovered = hoveredFolder === entry.name;
 
               return (
@@ -267,33 +264,9 @@ export function ScanFolderStep({ onFolderSelected }: ScanFolderStepProps) {
                     )}
                   </div>
 
-                  <div className="flex-1 min-w-0">
-                    <p className="text-sm font-medium text-gray-900 dark:text-gray-100 truncate">
-                      {entry.name}
-                    </p>
-                    <p className="text-xs text-gray-500 dark:text-gray-400">
-                      {entry.subfolderCount > 0 && (
-                        <span>{entry.subfolderCount} folder{entry.subfolderCount !== 1 ? 's' : ''}</span>
-                      )}
-                      {entry.subfolderCount > 0 && entry.audioFileCount > 0 && <span> &middot; </span>}
-                      {entry.audioFileCount > 0 && (
-                        <span>{entry.audioFileCount} audio file{entry.audioFileCount !== 1 ? 's' : ''}</span>
-                      )}
-                      {entry.totalSize > 0 && (
-                        <span> &middot; {formatBytes(entry.totalSize)}</span>
-                      )}
-                      {entry.subfolderCount === 0 && entry.audioFileCount === 0 && (
-                        <span className="italic">Empty</span>
-                      )}
-                    </p>
-                  </div>
-
-                  {hasAudio && (
-                    <span className="flex-shrink-0 inline-flex items-center gap-1 px-2 py-0.5 rounded-full bg-blue-100 dark:bg-blue-900/30 text-blue-700 dark:text-blue-300 text-xs font-medium">
-                      <MusicalNoteIcon className="w-3 h-3" />
-                      {entry.audioFileCount}
-                    </span>
-                  )}
+                  <p className="flex-1 min-w-0 text-sm font-medium text-gray-900 dark:text-gray-100 truncate">
+                    {entry.name}
+                  </p>
 
                   <ChevronRightIcon className="w-4 h-4 text-gray-300 dark:text-gray-600 flex-shrink-0" />
                 </button>
@@ -325,10 +298,7 @@ export function ScanFolderStep({ onFolderSelected }: ScanFolderStepProps) {
             <p className="font-mono text-xs text-gray-500 dark:text-gray-500 truncate">{currentPath}</p>
             {entries.length > 0 && (
               <p className="mt-0.5">
-                {entries.length} subfolder{entries.length !== 1 ? 's' : ''}
-                {totalAudioInChildren > 0 && (
-                  <span> &middot; {totalAudioInChildren} audio files visible</span>
-                )}
+                {totalSubfolders} subfolder{totalSubfolders !== 1 ? 's' : ''}
               </p>
             )}
           </div>
diff --git a/src/components/admin/bulk-import/types.ts b/src/components/admin/bulk-import/types.ts
index f441b6b..b68992c 100644
--- a/src/components/admin/bulk-import/types.ts
+++ b/src/components/admin/bulk-import/types.ts
@@ -14,9 +14,6 @@ export interface RootEntry {
 export interface DirectoryEntry {
   name: string;
   type: 'directory';
-  audioFileCount: number;
-  subfolderCount: number;
-  totalSize: number;
 }
 
 /** Audible match data for a discovered audiobook. */
@@ -39,6 +36,7 @@ export interface ScannedBook {
   totalSizeBytes: number;
   metadataSource: 'tags' | 'file_name';
   searchTerm: string;
+  audioFiles: string[];
   match: AudibleMatch | null;
   inLibrary: boolean;
   hasActiveRequest: boolean;
@@ -48,7 +46,7 @@ export interface ScannedBook {
 
 /** Progress event from the SSE scan stream. */
 export interface ScanProgressEvent {
-  phase: 'discovering' | 'reading_metadata';
+  phase: 'discovering' | 'reading_metadata' | 'grouping';
   foldersScanned: number;
   audiobooksFound: number;
   currentFolder?: string;
diff --git a/src/components/audiobooks/ManualImportBrowser.tsx b/src/components/audiobooks/ManualImportBrowser.tsx
index 9d39347..b490a3d 100644
--- a/src/components/audiobooks/ManualImportBrowser.tsx
+++ b/src/components/audiobooks/ManualImportBrowser.tsx
@@ -47,8 +47,6 @@ export function ManualImportBrowser({
   const [currentPath, setCurrentPath] = useState<string | null>(null);
   const [entries, setEntries] = useState<DirectoryEntry[]>([]);
   const [selectedPath, setSelectedPath] = useState<string | null>(null);
-  const [selectedAudioCount, setSelectedAudioCount] = useState(0);
-  const [selectedSize, setSelectedSize] = useState(0);
   const [selectedAudioFiles, setSelectedAudioFiles] = useState<AudioFileEntry[]>([]);
   const [currentAudioFiles, setCurrentAudioFiles] = useState<AudioFileEntry[]>([]);
   const [pathHistory, setPathHistory] = useState<string[]>([]);
@@ -62,6 +60,9 @@ export function ManualImportBrowser({
   // Cleanup source toggle
   const [cleanupSource, setCleanupSource] = useState(false);
 
+  // File selection state (shared between BrowsePhase and ConfirmPhase)
+  const [checkedFiles, setCheckedFiles] = useState<Set<string>>(new Set());
+
   // Hover state for folder icon swap
   const [hoveredFolder, setHoveredFolder] = useState<string | null>(null);
 
@@ -96,6 +97,7 @@ export function ManualImportBrowser({
   const fetchDirectory = useCallback(async (dirPath: string) => {
     setIsLoading(true);
     setError(null);
+    setCheckedFiles(new Set());
     try {
       const res = await fetchWithAuth(
         `/api/admin/filesystem/browse?path=${encodeURIComponent(dirPath)}`
@@ -105,8 +107,9 @@ export function ManualImportBrowser({
         throw new Error(data.error || 'Failed to browse directory');
       }
       const data = await res.json();
+      const audioFiles: AudioFileEntry[] = data.audioFiles || [];
       setEntries(data.entries || []);
-      setCurrentAudioFiles(data.audioFiles || []);
+      setCurrentAudioFiles(audioFiles);
       setCurrentPath(data.path || dirPath);
     } catch (err) {
       setError(err instanceof Error ? err.message : 'Failed to browse directory');
@@ -165,12 +168,38 @@ export function ManualImportBrowser({
     navigateInto(fullPath);
   };
 
-  const handleSelectCurrentFolder = () => {
+  const handleToggleFile = (fileName: string) => {
+    setCheckedFiles((prev) => {
+      const next = new Set(prev);
+      if (next.has(fileName)) {
+        next.delete(fileName);
+      } else {
+        next.add(fileName);
+      }
+      return next;
+    });
+  };
+
+  const handleToggleAll = () => {
+    // In confirm phase, toggle against selectedAudioFiles; in browse phase, against currentAudioFiles
+    const files = phase === 'confirm' ? selectedAudioFiles : currentAudioFiles;
+    if (checkedFiles.size === files.length) {
+      setCheckedFiles(new Set());
+    } else {
+      setCheckedFiles(new Set(files.map((f) => f.name)));
+    }
+  };
+
+  const handleSelectFiles = () => {
     if (!currentPath || currentAudioFiles.length === 0) return;
+    // No individual selection = whole folder; otherwise only checked files
+    const selected = checkedFiles.size > 0
+      ? currentAudioFiles.filter((f) => checkedFiles.has(f.name))
+      : currentAudioFiles;
     setSelectedPath(currentPath);
-    setSelectedAudioCount(currentAudioFiles.length);
-    setSelectedSize(currentAudioFiles.reduce((sum, f) => sum + f.size, 0));
-    setSelectedAudioFiles(currentAudioFiles);
+    setSelectedAudioFiles(selected);
+    // Ensure checkedFiles reflects what we're importing for ConfirmPhase
+    setCheckedFiles(new Set(selected.map((f) => f.name)));
     setSlideDirection('right');
     setPhase('confirm');
   };
@@ -185,12 +214,18 @@ export function ManualImportBrowser({
     setIsImporting(true);
     setImportError(null);
     try {
+      // Send only the files that are still checked in ConfirmPhase
+      const fileNames = selectedAudioFiles
+        .filter((f) => checkedFiles.has(f.name))
+        .map((f) => f.name);
+      if (fileNames.length === 0) return;
       const res = await fetchWithAuth('/api/admin/manual-import', {
         method: 'POST',
         headers: { 'Content-Type': 'application/json' },
         body: JSON.stringify({
           asin: audiobook.asin,
           folderPath: selectedPath,
+          selectedFiles: fileNames,
           cleanupSource,
         }),
       });
@@ -268,6 +303,7 @@ export function ManualImportBrowser({
               currentPath={currentPath}
               entries={entries}
               currentAudioFiles={currentAudioFiles}
+              checkedFiles={checkedFiles}
               isLoading={isLoading}
               error={error}
               hoveredFolder={hoveredFolder}
@@ -278,7 +314,8 @@ export function ManualImportBrowser({
               onNavigateToRoot={navigateToRoot}
               onNavigateToBreadcrumb={navigateToBreadcrumb}
               onFolderClick={handleFolderClick}
-              onSelectCurrentFolder={handleSelectCurrentFolder}
+              onSelectFiles={handleSelectFiles}
+              onToggleFile={handleToggleFile}
               onHoverFolder={setHoveredFolder}
               onRetry={currentPath ? () => fetchDirectory(currentPath) : fetchRoots}
             />
@@ -286,14 +323,15 @@ export function ManualImportBrowser({
             <ConfirmPhase
               audiobook={audiobook}
               selectedPath={selectedPath!}
-              audioFileCount={selectedAudioCount}
-              totalSize={selectedSize}
               audioFiles={selectedAudioFiles}
+              checkedFiles={checkedFiles}
               isImporting={isImporting}
               importError={importError}
               slideClass={slideClass}
               cleanupSource={cleanupSource}
               onCleanupSourceChange={setCleanupSource}
+              onToggleFile={handleToggleFile}
+              onToggleAll={handleToggleAll}
               onBack={handleBackToBrowse}
               onStartImport={handleStartImport}
             />
diff --git a/src/components/audiobooks/manual-import/BrowsePhase.tsx b/src/components/audiobooks/manual-import/BrowsePhase.tsx
index 3cbb5a2..a9db62b 100644
--- a/src/components/audiobooks/manual-import/BrowsePhase.tsx
+++ b/src/components/audiobooks/manual-import/BrowsePhase.tsx
@@ -40,6 +40,7 @@ interface BrowsePhaseProps {
   currentPath: string | null;
   entries: DirectoryEntry[];
   currentAudioFiles: AudioFileEntry[];
+  checkedFiles: Set<string>;
   isLoading: boolean;
   error: string | null;
   hoveredFolder: string | null;
@@ -50,7 +51,8 @@ interface BrowsePhaseProps {
   onNavigateToRoot: () => void;
   onNavigateToBreadcrumb: (index: number) => void;
   onFolderClick: (entry: DirectoryEntry) => void;
-  onSelectCurrentFolder: () => void;
+  onSelectFiles: () => void;
+  onToggleFile: (fileName: string) => void;
   onHoverFolder: (name: string | null) => void;
   onRetry: () => void;
 }
@@ -60,6 +62,7 @@ export function BrowsePhase({
   currentPath,
   entries,
   currentAudioFiles,
+  checkedFiles,
   isLoading,
   error,
   hoveredFolder,
@@ -70,10 +73,16 @@ export function BrowsePhase({
   onNavigateToRoot,
   onNavigateToBreadcrumb,
   onFolderClick,
-  onSelectCurrentFolder,
+  onSelectFiles,
+  onToggleFile,
   onHoverFolder,
   onRetry,
 }: BrowsePhaseProps) {
+  const hasSelection = checkedFiles.size > 0;
+  const totalSize = currentAudioFiles.reduce((sum, f) => sum + f.size, 0);
+  const checkedSize = hasSelection
+    ? currentAudioFiles.filter((f) => checkedFiles.has(f.name)).reduce((sum, f) => sum + f.size, 0)
+    : totalSize;
   return (
     <div className="flex flex-col h-full">
       {/* Breadcrumb bar */}
@@ -165,7 +174,6 @@ export function BrowsePhase({
           <div className="divide-y divide-gray-100 dark:divide-gray-800">
             {/* Subdirectories */}
             {entries.map((entry) => {
-              const hasAudio = entry.audioFileCount > 0;
               const isHovered = hoveredFolder === entry.name;
 
               return (
@@ -184,33 +192,9 @@ export function BrowsePhase({
                     )}
                   </div>
 
-                  <div className="flex-1 min-w-0">
-                    <p className="text-sm font-medium text-gray-900 dark:text-gray-100 truncate">
-                      {entry.name}
-                    </p>
-                    <p className="text-xs text-gray-500 dark:text-gray-400">
-                      {entry.subfolderCount > 0 && (
-                        <span>{entry.subfolderCount} folder{entry.subfolderCount !== 1 ? 's' : ''}</span>
-                      )}
-                      {entry.subfolderCount > 0 && entry.audioFileCount > 0 && <span> &middot; </span>}
-                      {entry.audioFileCount > 0 && (
-                        <span>{entry.audioFileCount} audio file{entry.audioFileCount !== 1 ? 's' : ''}</span>
-                      )}
-                      {entry.totalSize > 0 && (
-                        <span> &middot; {formatBytes(entry.totalSize)}</span>
-                      )}
-                      {entry.subfolderCount === 0 && entry.audioFileCount === 0 && (
-                        <span className="italic">Empty</span>
-                      )}
-                    </p>
-                  </div>
-
-                  {hasAudio && (
-                    <span className="flex-shrink-0 inline-flex items-center gap-1 px-2 py-0.5 rounded-full bg-blue-100 dark:bg-blue-900/30 text-blue-700 dark:text-blue-300 text-xs font-medium">
-                      <MusicalNoteIcon className="w-3 h-3" />
-                      {entry.audioFileCount}
-                    </span>
-                  )}
+                  <p className="flex-1 min-w-0 text-sm font-medium text-gray-900 dark:text-gray-100 truncate">
+                    {entry.name}
+                  </p>
 
                   <ChevronRightIcon className="w-4 h-4 text-gray-300 dark:text-gray-600 flex-shrink-0" />
                 </button>
@@ -221,24 +205,38 @@ export function BrowsePhase({
             {currentAudioFiles.length > 0 && entries.length > 0 && (
               <div className="px-4 py-2 bg-gray-50/50 dark:bg-gray-800/20">
                 <p className="text-xs font-medium text-gray-400 dark:text-gray-500 uppercase tracking-wider">
-                  Audio Files
+                  Audio Files {hasSelection && `\u00B7 click to select`}
                 </p>
               </div>
             )}
-            {currentAudioFiles.map((file) => (
-              <div
-                key={`file-${file.name}`}
-                className="flex items-center gap-3 px-4 py-2.5"
-              >
-                <MusicalNoteIcon className="w-4 h-4 text-blue-500 dark:text-blue-400 flex-shrink-0" />
-                <span className="flex-1 min-w-0 text-sm text-gray-700 dark:text-gray-300 truncate">
-                  {file.name}
-                </span>
-                <span className="text-xs text-gray-400 dark:text-gray-500 flex-shrink-0">
-                  {formatBytes(file.size)}
-                </span>
-              </div>
-            ))}
+            {currentAudioFiles.map((file) => {
+              const isSelected = checkedFiles.has(file.name);
+              return (
+                <button
+                  key={`file-${file.name}`}
+                  onClick={() => onToggleFile(file.name)}
+                  className={`w-full flex items-center gap-3 px-4 py-2.5 text-left transition-colors ${
+                    isSelected
+                      ? 'bg-blue-50 dark:bg-blue-900/20 border-l-2 border-blue-500'
+                      : 'hover:bg-gray-50 dark:hover:bg-gray-800/50 border-l-2 border-transparent'
+                  }`}
+                >
+                  <MusicalNoteIcon className={`w-4 h-4 flex-shrink-0 ${
+                    isSelected ? 'text-blue-600 dark:text-blue-400' : 'text-blue-500/50 dark:text-blue-400/50'
+                  }`} />
+                  <span className={`flex-1 min-w-0 text-sm truncate ${
+                    isSelected
+                      ? 'text-blue-900 dark:text-blue-100 font-medium'
+                      : 'text-gray-700 dark:text-gray-300'
+                  }`}>
+                    {file.name}
+                  </span>
+                  <span className="text-xs text-gray-400 dark:text-gray-500 flex-shrink-0">
+                    {formatBytes(file.size)}
+                  </span>
+                </button>
+              );
+            })}
           </div>
         )}
 
@@ -258,18 +256,33 @@ export function BrowsePhase({
         )}
       </div>
 
-      {/* Footer: Select this folder */}
+      {/* Footer */}
       {currentPath && !isLoading && currentAudioFiles.length > 0 && (
         <div className="px-5 py-3.5 border-t border-gray-200 dark:border-gray-700/50 bg-gray-50/50 dark:bg-gray-800/30 flex items-center justify-between gap-4">
           <p className="text-sm text-gray-600 dark:text-gray-400">
-            <span className="font-medium text-gray-900 dark:text-gray-100">{currentAudioFiles.length}</span>
-            {' '}audio file{currentAudioFiles.length !== 1 ? 's' : ''} in this folder
+            {hasSelection ? (
+              <>
+                <span className="font-medium text-gray-900 dark:text-gray-100">{checkedFiles.size}</span>
+                {' '}of {currentAudioFiles.length} file{currentAudioFiles.length !== 1 ? 's' : ''} selected
+              </>
+            ) : (
+              <>
+                <span className="font-medium text-gray-900 dark:text-gray-100">{currentAudioFiles.length}</span>
+                {' '}audio file{currentAudioFiles.length !== 1 ? 's' : ''} in this folder
+              </>
+            )}
+            {checkedSize > 0 && (
+              <span className="text-gray-400 dark:text-gray-500"> &middot; {formatBytes(checkedSize)}</span>
+            )}
           </p>
           <button
-            onClick={onSelectCurrentFolder}
+            onClick={onSelectFiles}
             className="flex-shrink-0 px-4 py-2 bg-blue-600 hover:bg-blue-700 text-white text-sm font-medium rounded-xl transition-colors"
           >
-            Select This Folder &rarr;
+            {hasSelection
+              ? `Select ${checkedFiles.size} File${checkedFiles.size !== 1 ? 's' : ''}`
+              : 'Select This Folder'
+            } &rarr;
           </button>
         </div>
       )}
diff --git a/src/components/audiobooks/manual-import/ConfirmPhase.tsx b/src/components/audiobooks/manual-import/ConfirmPhase.tsx
index c5c80b5..42b67b4 100644
--- a/src/components/audiobooks/manual-import/ConfirmPhase.tsx
+++ b/src/components/audiobooks/manual-import/ConfirmPhase.tsx
@@ -16,14 +16,15 @@ import { AudioFileEntry, formatBytes } from './types';
 interface ConfirmPhaseProps {
   audiobook: { asin: string; title: string; author: string; coverArtUrl?: string };
   selectedPath: string;
-  audioFileCount: number;
-  totalSize: number;
   audioFiles: AudioFileEntry[];
+  checkedFiles: Set<string>;
   isImporting: boolean;
   importError: string | null;
   slideClass: string;
   cleanupSource: boolean;
   onCleanupSourceChange: (value: boolean) => void;
+  onToggleFile: (fileName: string) => void;
+  onToggleAll: () => void;
   onBack: () => void;
   onStartImport: () => void;
 }
@@ -31,17 +32,23 @@ interface ConfirmPhaseProps {
 export function ConfirmPhase({
   audiobook,
   selectedPath,
-  audioFileCount,
-  totalSize,
   audioFiles,
+  checkedFiles,
   isImporting,
   importError,
   slideClass,
   cleanupSource,
   onCleanupSourceChange,
+  onToggleFile,
+  onToggleAll,
   onBack,
   onStartImport,
 }: ConfirmPhaseProps) {
+  const allChecked = audioFiles.length > 0 && checkedFiles.size === audioFiles.length;
+  const someChecked = checkedFiles.size > 0 && !allChecked;
+  const checkedSize = audioFiles
+    .filter((f) => checkedFiles.has(f.name))
+    .reduce((sum, f) => sum + f.size, 0);
   return (
     <div className={`flex flex-col h-full ${slideClass}`}>
       <div className="flex-1 overflow-y-auto p-6 space-y-6">
@@ -79,28 +86,51 @@ export function ConfirmPhase({
             {selectedPath}
           </p>
           <p className="text-xs text-gray-500 dark:text-gray-400 mt-1.5">
-            {audioFileCount} audio file{audioFileCount !== 1 ? 's' : ''}
-            {totalSize > 0 ? ` \u00B7 ${formatBytes(totalSize)}` : ''}
+            {checkedFiles.size} of {audioFiles.length} file{audioFiles.length !== 1 ? 's' : ''} selected
+            {checkedSize > 0 ? ` \u00B7 ${formatBytes(checkedSize)}` : ''}
           </p>
         </div>
 
         {/* Audio files to import */}
         <div>
-          <h4 className="text-sm font-semibold text-gray-900 dark:text-gray-100 mb-3">
-            Files to import
-          </h4>
-          <div className="rounded-xl border border-gray-200 dark:border-gray-700 divide-y divide-gray-100 dark:divide-gray-800 overflow-hidden">
-            {audioFiles.map((file) => (
-              <div key={file.name} className="flex items-center gap-3 px-3.5 py-2.5">
-                <MusicalNoteIcon className="w-4 h-4 text-blue-500 dark:text-blue-400 flex-shrink-0" />
-                <span className="flex-1 min-w-0 text-sm text-gray-700 dark:text-gray-300 truncate">
-                  {file.name}
-                </span>
-                <span className="text-xs text-gray-400 dark:text-gray-500 flex-shrink-0">
-                  {formatBytes(file.size)}
-                </span>
-              </div>
-            ))}
+          <div className="flex items-center gap-3 mb-3">
+            <input
+              type="checkbox"
+              checked={allChecked}
+              ref={(el) => { if (el) el.indeterminate = someChecked; }}
+              onChange={onToggleAll}
+              disabled={isImporting}
+              className="w-4 h-4 rounded border-gray-300 dark:border-gray-600 text-blue-600 focus:ring-blue-500 cursor-pointer"
+            />
+            <h4 className="text-sm font-semibold text-gray-900 dark:text-gray-100">
+              Files to import
+            </h4>
+          </div>
+          <div className="rounded-xl border border-gray-200 dark:border-gray-700 divide-y divide-gray-100 dark:divide-gray-800 overflow-hidden max-h-48 overflow-y-auto">
+            {audioFiles.map((file) => {
+              const isChecked = checkedFiles.has(file.name);
+              return (
+                <label
+                  key={file.name}
+                  className={`flex items-center gap-3 px-3.5 py-2.5 cursor-pointer hover:bg-gray-50 dark:hover:bg-gray-800/50 transition-colors ${!isChecked ? 'opacity-50' : ''}`}
+                >
+                  <input
+                    type="checkbox"
+                    checked={isChecked}
+                    onChange={() => onToggleFile(file.name)}
+                    disabled={isImporting}
+                    className="w-4 h-4 rounded border-gray-300 dark:border-gray-600 text-blue-600 focus:ring-blue-500 cursor-pointer"
+                  />
+                  <MusicalNoteIcon className="w-4 h-4 text-blue-500 dark:text-blue-400 flex-shrink-0" />
+                  <span className="flex-1 min-w-0 text-sm text-gray-700 dark:text-gray-300 truncate">
+                    {file.name}
+                  </span>
+                  <span className="text-xs text-gray-400 dark:text-gray-500 flex-shrink-0">
+                    {formatBytes(file.size)}
+                  </span>
+                </label>
+              );
+            })}
           </div>
         </div>
 
@@ -149,7 +179,7 @@ export function ConfirmPhase({
         </button>
         <button
           onClick={onStartImport}
-          disabled={isImporting}
+          disabled={isImporting || checkedFiles.size === 0}
           className="px-5 py-2 bg-blue-600 hover:bg-blue-700 text-white text-sm font-medium rounded-xl transition-colors disabled:opacity-70 flex items-center gap-2"
         >
           {isImporting ? (
diff --git a/src/components/audiobooks/manual-import/types.ts b/src/components/audiobooks/manual-import/types.ts
index ffbae16..a69bd3d 100644
--- a/src/components/audiobooks/manual-import/types.ts
+++ b/src/components/audiobooks/manual-import/types.ts
@@ -12,9 +12,6 @@ export interface RootEntry {
 export interface DirectoryEntry {
   name: string;
   type: 'directory';
-  audioFileCount: number;
-  subfolderCount: number;
-  totalSize: number;
 }
 
 export interface AudioFileEntry {
diff --git a/src/lib/processors/organize-files.processor.ts b/src/lib/processors/organize-files.processor.ts
index 99c3d56..6fd9923 100644
--- a/src/lib/processors/organize-files.processor.ts
+++ b/src/lib/processors/organize-files.processor.ts
@@ -23,7 +23,7 @@ import { getAudibleService } from '../integrations/audible.service';
  * Handles both audiobook and ebook request types with appropriate branching
  */
 export async function processOrganizeFiles(payload: OrganizeFilesPayload): Promise<any> {
-  const { requestId, audiobookId, downloadPath, jobId, cleanupSource } = payload;
+  const { requestId, audiobookId, downloadPath, jobId, cleanupSource, selectedFiles } = payload;
 
   const logger = RMABLogger.forJob(jobId, 'OrganizeFiles');
 
@@ -212,7 +212,8 @@ export async function processOrganizeFiles(payload: OrganizeFilesPayload): Promi
       },
       template,
       jobId ? { jobId, context: 'FileOrganizer' } : undefined,
-      renameConfig
+      renameConfig,
+      selectedFiles
     );
 
     if (!result.success) {
@@ -322,7 +323,7 @@ export async function processOrganizeFiles(payload: OrganizeFilesPayload): Promi
 
     // Cleanup source files if requested (manual import feature)
     if (cleanupSource) {
-      await cleanupSourceAfterOrganize(downloadPath, configService, jobId, logger);
+      await cleanupSourceAfterOrganize(downloadPath, configService, jobId, logger, selectedFiles);
     }
 
     return {
@@ -1132,20 +1133,38 @@ async function cleanupSourceAfterOrganize(
   downloadPath: string,
   configService: any,
   jobId: string | undefined,
-  logger: RMABLogger
+  logger: RMABLogger,
+  selectedFiles?: string[]
 ): Promise<void> {
   try {
     const fs = await import('fs/promises');
+    const pathModule = await import('path');
 
     logger.info(`Cleaning up source files: ${downloadPath}`);
 
-    const stats = await fs.stat(downloadPath);
-    if (stats.isDirectory()) {
-      await fs.rm(downloadPath, { recursive: true, force: true });
-      logger.info(`Removed source directory: ${downloadPath}`);
+    if (selectedFiles && selectedFiles.length > 0) {
+      // Only delete the specific files that were imported, not the entire directory
+      for (const fileName of selectedFiles) {
+        const filePath = pathModule.join(downloadPath, fileName);
+        try {
+          await fs.unlink(filePath);
+        } catch (err) {
+          if ((err as NodeJS.ErrnoException).code !== 'ENOENT') {
+            logger.warn(`Failed to delete source file: ${filePath}`);
+          }
+        }
+      }
+      logger.info(`Removed ${selectedFiles.length} selected source files from ${downloadPath}`);
     } else {
-      await fs.unlink(downloadPath);
-      logger.info(`Removed source file: ${downloadPath}`);
+      // No file filter — delete entire source path (original behavior)
+      const stats = await fs.stat(downloadPath);
+      if (stats.isDirectory()) {
+        await fs.rm(downloadPath, { recursive: true, force: true });
+        logger.info(`Removed source directory: ${downloadPath}`);
+      } else {
+        await fs.unlink(downloadPath);
+        logger.info(`Removed source file: ${downloadPath}`);
+      }
     }
 
     // Determine boundary path based on download path prefix
diff --git a/src/lib/services/job-queue.service.ts b/src/lib/services/job-queue.service.ts
index 4e40b57..2afc5c7 100644
--- a/src/lib/services/job-queue.service.ts
+++ b/src/lib/services/job-queue.service.ts
@@ -76,6 +76,7 @@ export interface OrganizeFilesPayload extends JobPayload {
   downloadPath: string;
   targetPath?: string; // Optional - not used by processor (reads from database config)
   cleanupSource?: boolean; // If true, delete source files after successful import
+  selectedFiles?: string[]; // If set, only import these specific files from downloadPath
 }
 
 export interface ScanPlexPayload extends JobPayload {
@@ -644,7 +645,8 @@ export class JobQueueService {
     audiobookId: string,
     downloadPath: string,
     targetPath?: string,
-    cleanupSource?: boolean
+    cleanupSource?: boolean,
+    selectedFiles?: string[]
   ): Promise<string> {
     return await this.addJob(
       'organize_files',
@@ -654,6 +656,7 @@ export class JobQueueService {
         downloadPath,
         targetPath, // Not used by processor
         cleanupSource,
+        selectedFiles,
       } as OrganizeFilesPayload,
       {
         priority: 8,
diff --git a/src/lib/utils/bulk-import-scanner.ts b/src/lib/utils/bulk-import-scanner.ts
index 00ff058..b33b733 100644
--- a/src/lib/utils/bulk-import-scanner.ts
+++ b/src/lib/utils/bulk-import-scanner.ts
@@ -3,7 +3,8 @@
  * Documentation: documentation/features/bulk-import.md
  *
  * Recursively discovers audiobook folders, reads embedded metadata via ffprobe,
- * and prepares search terms for Audible matching. Used by the bulk import API.
+ * groups loose audio files by metadata, and prepares search terms for Audible
+ * matching. Used by the bulk import API.
  */
 
 import { exec } from 'child_process';
@@ -17,6 +18,9 @@ const execPromise = promisify(exec);
 /** Maximum recursion depth for folder scanning. */
 export const MAX_SCAN_DEPTH = 10;
 
+/** Maximum concurrent ffprobe calls for metadata reads. */
+const METADATA_CONCURRENCY = 10;
+
 /** Metadata extracted from an audio file via ffprobe. */
 export interface AudioFileMetadata {
   title?: string;              // From 'album' tag (book title)
@@ -36,11 +40,13 @@ export interface DiscoveredAudiobook {
   metadata: AudioFileMetadata;
   searchTerm: string;         // Constructed search query for Audible
   metadataSource: 'tags' | 'file_name';  // Where the search term came from
+  audioFiles: string[];       // File names (relative to folderPath) belonging to this book
+  groupingKey: string;        // Normalized key for cross-folder deduplication
 }
 
 /** Progress callback for streaming updates to the caller. */
 export interface ScanProgress {
-  phase: 'discovering' | 'reading_metadata';
+  phase: 'discovering' | 'reading_metadata' | 'grouping';
   foldersScanned: number;
   audiobooksFound: number;
   currentFolder?: string;
@@ -173,7 +179,25 @@ export function buildSearchTerm(
 }
 
 /**
- * Scan a single directory for audio files.
+ * Build a normalized grouping key from metadata.
+ * Used to determine which files belong to the same book.
+ * Returns null if metadata has no title (ungroupable).
+ */
+function buildGroupingKey(metadata: AudioFileMetadata): string | null {
+  if (!metadata.title) return null;
+
+  const normalize = (s?: string) =>
+    (s || '').toLowerCase().replace(/[^a-z0-9]/g, '');
+
+  return [
+    normalize(metadata.title),
+    normalize(metadata.author),
+    normalize(metadata.narrator),
+  ].join('|');
+}
+
+/**
+ * Scan a single directory for audio files (immediate children only).
  * Returns audio file names and total size, or null if no audio files found.
  */
 async function scanDirectoryForAudio(
@@ -206,11 +230,216 @@ async function scanDirectoryForAudio(
 }
 
 /**
- * Recursively discover audiobook folders starting from a root path.
+ * Run async tasks with a concurrency limit.
+ */
+async function asyncPool<T, R>(
+  items: T[],
+  concurrency: number,
+  fn: (item: T) => Promise<R>
+): Promise<R[]> {
+  const results: R[] = [];
+  let index = 0;
+
+  async function worker() {
+    while (index < items.length) {
+      const i = index++;
+      results[i] = await fn(items[i]);
+    }
+  }
+
+  const workers = Array.from(
+    { length: Math.min(concurrency, items.length) },
+    () => worker()
+  );
+  await Promise.all(workers);
+  return results;
+}
+
+/**
+ * Group audio files in a directory by their metadata.
+ * Reads metadata from all files using a concurrency pool, then groups them
+ * by a normalized key of title + author + narrator.
+ * Files with no metadata title each become their own group.
+ */
+async function groupAudioFilesByMetadata(
+  dirPath: string,
+  audioFiles: string[],
+  audioSizes: Map<string, number>
+): Promise<Array<{
+  files: string[];
+  totalSize: number;
+  metadata: AudioFileMetadata;
+  metadataSource: 'tags' | 'file_name';
+  searchTerm: string;
+  groupingKey: string;
+}>> {
+  // Read metadata from all files with concurrency limit
+  const metadataResults = await asyncPool(
+    audioFiles,
+    METADATA_CONCURRENCY,
+    async (fileName) => {
+      const filePath = path.join(dirPath, fileName);
+      const metadata = await readAudioMetadata(filePath);
+      return { fileName, metadata };
+    }
+  );
+
+  // Group by metadata key
+  const groups = new Map<string, {
+    files: string[];
+    totalSize: number;
+    metadata: AudioFileMetadata;
+  }>();
+
+  let ungroupedCounter = 0;
+
+  for (const { fileName, metadata } of metadataResults) {
+    const key = buildGroupingKey(metadata);
+    const fileSize = audioSizes.get(fileName) || 0;
+
+    if (key) {
+      // Has metadata — group with others sharing the same key
+      const existing = groups.get(key);
+      if (existing) {
+        existing.files.push(fileName);
+        existing.totalSize += fileSize;
+      } else {
+        groups.set(key, {
+          files: [fileName],
+          totalSize: fileSize,
+          metadata,
+        });
+      }
+    } else {
+      // No title metadata — treat as individual book
+      const uniqueKey = `__ungrouped_${ungroupedCounter++}`;
+      groups.set(uniqueKey, {
+        files: [fileName],
+        totalSize: fileSize,
+        metadata,
+      });
+    }
+  }
+
+  // Build result with search terms
+  return Array.from(groups.entries()).map(([groupingKey, group]) => {
+    group.files.sort((a, b) => a.localeCompare(b));
+    const { searchTerm, source } = buildSearchTerm(group.metadata, group.files[0]);
+    return {
+      files: group.files,
+      totalSize: group.totalSize,
+      metadata: group.metadata,
+      metadataSource: source,
+      searchTerm,
+      groupingKey,
+    };
+  });
+}
+
+/**
+ * Merge discoveries that share the same grouping key across different folders.
+ * Handles the multi-CD case (e.g., CD1/ and CD2/ with same metadata).
+ */
+function deduplicateDiscoveries(
+  discoveries: DiscoveredAudiobook[]
+): DiscoveredAudiobook[] {
+  const byKey = new Map<string, DiscoveredAudiobook[]>();
+
+  for (const disc of discoveries) {
+    // Skip ungrouped entries (each is unique)
+    if (disc.groupingKey.startsWith('__ungrouped_')) {
+      const key = `${disc.folderPath}::${disc.groupingKey}`;
+      byKey.set(key, [disc]);
+      continue;
+    }
+
+    const existing = byKey.get(disc.groupingKey);
+    if (existing) {
+      existing.push(disc);
+    } else {
+      byKey.set(disc.groupingKey, [disc]);
+    }
+  }
+
+  const merged: DiscoveredAudiobook[] = [];
+
+  for (const group of byKey.values()) {
+    if (group.length === 1) {
+      merged.push(group[0]);
+      continue;
+    }
+
+    // Merge multiple discoveries with the same key
+    // Use the common parent directory as the folder path
+    const allPaths = group.map((d) => d.folderPath);
+    const commonParent = findCommonParent(allPaths);
+    const first = group[0];
+
+    // Combine audio files with relative paths from the common parent
+    const combinedFiles: string[] = [];
+    let combinedSize = 0;
+    let combinedCount = 0;
+
+    for (const disc of group) {
+      const relPrefix = path.relative(commonParent, disc.folderPath).replace(/\\/g, '/');
+      for (const file of disc.audioFiles) {
+        combinedFiles.push(relPrefix ? `${relPrefix}/${file}` : file);
+      }
+      combinedSize += disc.totalSizeBytes;
+      combinedCount += disc.audioFileCount;
+    }
+
+    merged.push({
+      folderPath: commonParent,
+      folderName: path.basename(commonParent),
+      relativePath: first.relativePath.split('/').slice(0, -1).join('/') || path.basename(commonParent),
+      audioFileCount: combinedCount,
+      totalSizeBytes: combinedSize,
+      metadata: first.metadata,
+      searchTerm: first.searchTerm,
+      metadataSource: first.metadataSource,
+      audioFiles: combinedFiles,
+      groupingKey: first.groupingKey,
+    });
+  }
+
+  return merged;
+}
+
+/**
+ * Find the longest common parent directory among a set of paths.
+ */
+function findCommonParent(paths: string[]): string {
+  if (paths.length === 0) return '';
+  if (paths.length === 1) return paths[0];
+
+  const normalized = paths.map((p) => p.replace(/\\/g, '/'));
+  const parts = normalized.map((p) => p.split('/'));
+  const minLen = Math.min(...parts.map((p) => p.length));
+
+  let commonParts = 0;
+  for (let i = 0; i < minLen; i++) {
+    if (parts.every((p) => p[i] === parts[0][i])) {
+      commonParts = i + 1;
+    } else {
+      break;
+    }
+  }
+
+  return parts[0].slice(0, commonParts).join('/');
+}
+
+/**
+ * Recursively discover audiobooks starting from a root path.
  *
- * A folder is classified as an "audiobook folder" if it contains audio files.
- * Once a folder is classified as an audiobook, its subfolders are NOT scanned
- * further (the audio-containing folder is the audiobook boundary).
+ * Scans every folder for audio files. When audio files are found, they are
+ * grouped by metadata (title + author + narrator) — each group becomes a
+ * separate discovered audiobook. Files with no metadata are treated as
+ * individual books. Scanning ALWAYS recurses into subfolders regardless of
+ * whether the current folder has audio files.
+ *
+ * After the full walk, discoveries sharing the same grouping key across
+ * different folders (e.g., CD1/ and CD2/) are merged.
  *
  * @param rootPath - The root directory to scan
  * @param onProgress - Optional callback for progress updates
@@ -242,38 +471,58 @@ export async function discoverAudiobooks(
     const audioResult = await scanDirectoryForAudio(currentPath);
 
     if (audioResult) {
-      // This is an audiobook folder — read metadata and add to results
-      const firstFile = path.join(currentPath, audioResult.audioFiles[0]);
-      const metadata = await readAudioMetadata(firstFile);
+      // Build size lookup for grouping
+      const audioSizes = new Map<string, number>();
+      for (const fileName of audioResult.audioFiles) {
+        try {
+          const stat = await fs.stat(path.join(currentPath, fileName));
+          audioSizes.set(fileName, stat.size);
+        } catch {
+          audioSizes.set(fileName, 0);
+        }
+      }
+
+      onProgress?.({
+        phase: 'grouping',
+        foldersScanned,
+        audiobooksFound: results.length,
+        currentFolder: path.basename(currentPath),
+      });
+
+      // Group audio files by metadata
+      const groups = await groupAudioFilesByMetadata(
+        currentPath,
+        audioResult.audioFiles,
+        audioSizes
+      );
+
+      const folderName = path.basename(currentPath);
+      const relativePath = path.relative(rootPath, currentPath).replace(/\\/g, '/');
+
+      for (const group of groups) {
+        results.push({
+          folderPath: currentPath.replace(/\\/g, '/'),
+          folderName,
+          relativePath: relativePath || folderName,
+          audioFileCount: group.files.length,
+          totalSizeBytes: group.totalSize,
+          metadata: group.metadata,
+          searchTerm: group.searchTerm,
+          metadataSource: group.metadataSource,
+          audioFiles: group.files,
+          groupingKey: group.groupingKey,
+        });
+      }
 
       onProgress?.({
         phase: 'reading_metadata',
         foldersScanned,
-        audiobooksFound: results.length + 1,
+        audiobooksFound: results.length,
         currentFolder: path.basename(currentPath),
       });
-
-      const folderName = path.basename(currentPath);
-      const relativePath = path.relative(rootPath, currentPath).replace(/\\/g, '/');
-      const firstFileName = audioResult.audioFiles[0];
-      const { searchTerm, source } = buildSearchTerm(metadata, firstFileName);
-
-      results.push({
-        folderPath: currentPath.replace(/\\/g, '/'),
-        folderName,
-        relativePath: relativePath || folderName,
-        audioFileCount: audioResult.audioFiles.length,
-        totalSizeBytes: audioResult.totalSize,
-        metadata,
-        searchTerm,
-        metadataSource: source,
-      });
-
-      // Do NOT recurse into subfolders of audiobook folders
-      return;
     }
 
-    // No audio files here — recurse into subfolders
+    // Always recurse into subfolders
     try {
       const children = await fs.readdir(currentPath, { withFileTypes: true });
       const subdirs = children
@@ -290,5 +539,7 @@ export async function discoverAudiobooks(
   }
 
   await walk(rootPath, 0);
-  return results;
+
+  // Post-scan: merge discoveries with the same grouping key across folders
+  return deduplicateDiscoveries(results);
 }
diff --git a/src/lib/utils/file-organizer.ts b/src/lib/utils/file-organizer.ts
index 25bc3d8..85b520d 100644
--- a/src/lib/utils/file-organizer.ts
+++ b/src/lib/utils/file-organizer.ts
@@ -82,7 +82,8 @@ export class FileOrganizer {
     audiobook: AudiobookMetadata,
     template: string,
     loggerConfig?: LoggerConfig,
-    renameConfig?: { enabled: boolean; template: string }
+    renameConfig?: { enabled: boolean; template: string },
+    selectedFiles?: string[]
   ): Promise<OrganizationResult> {
     // Create logger if config provided
     const logger = loggerConfig ? RMABLogger.forJob(loggerConfig.jobId, loggerConfig.context) : null;
@@ -99,7 +100,14 @@ export class FileOrganizer {
       await logger?.info(`Organizing: ${downloadPath}`);
 
       // Find audiobook files
-      const { audioFiles, coverFile, isFile } = await this.findAudiobookFiles(downloadPath);
+      let { audioFiles, coverFile, isFile } = await this.findAudiobookFiles(downloadPath);
+
+      // Filter to only selected files if specified
+      if (selectedFiles && selectedFiles.length > 0) {
+        const selectedSet = new Set(selectedFiles);
+        audioFiles = audioFiles.filter((f) => selectedSet.has(f));
+        await logger?.info(`Filtered to ${audioFiles.length} selected files`);
+      }
 
       if (audioFiles.length === 0) {
         throw new Error('No audiobook files found in download');