diff --git a/eunixmac_backend/app/Http/Controllers/AdminController.php b/eunixmac_backend/app/Http/Controllers/AdminController.php
index b16cc76..e34852d 100644
--- a/eunixmac_backend/app/Http/Controllers/AdminController.php
+++ b/eunixmac_backend/app/Http/Controllers/AdminController.php
@@ -152,9 +152,9 @@ public function getDashboardStats()
      */
     public function getBooks(Request $request)
     {
-        $query = Ad::where('category_id', 7) // Books and Media
+        $query = Ad::whereIn('category_id', [83, 84, 85, 86]) // Books, Past Questions, Ebooks, Publications
             ->whereNotNull('file_path')
-            ->with(['user:id,name,email', 'category:id,name']);
+            ->with(['user:id,name,email', 'category:id,name,parent_id', 'category.parent:id,name']);
 
         // Apply filters
         if ($request->filled('status')) {
@@ -208,11 +208,11 @@ public function getBooks(Request $request)
     public function showBook(Ad $ad)
     {
         // Verify this is a book
-        if ($ad->category_id !== 7 || !$ad->file_path) {
+        if (!in_array($ad->category_id, [83, 84, 85, 86]) || !$ad->file_path) {
             return response()->json(['message' => 'Not a book'], 404);
         }
 
-        $ad->load(['user:id,name,email,phone_number', 'category:id,name']);
+        $ad->load(['user:id,name,email,phone_number', 'category:id,name,parent_id', 'category.parent:id,name']);
 
         // Add additional data
         $ad->file_size = $this->getFileSize($ad->file_path);
@@ -244,7 +244,7 @@ public function showBook(Ad $ad)
     public function approveBook(Request $request, Ad $ad)
     {
         // Verify this is a book
-        if ($ad->category_id !== 7 || !$ad->file_path) {
+        if (!in_array($ad->category_id, [83, 84, 85, 86]) || !$ad->file_path) {
             return response()->json(['message' => 'Not a book'], 404);
         }
 
@@ -281,7 +281,7 @@ public function rejectBook(Request $request, Ad $ad)
         ]);
 
         // Verify this is a book
-        if ($ad->category_id !== 7 || !$ad->file_path) {
+        if (!in_array($ad->category_id, [83, 84, 85, 86]) || !$ad->file_path) {
             return response()->json(['message' => 'Not a book'], 404);
         }
 
@@ -320,7 +320,7 @@ public function deleteBook(Request $request, Ad $ad)
         ]);
 
         // Verify this is a book
-        if ($ad->category_id !== 7 || !$ad->file_path) {
+        if (!in_array($ad->category_id, [83, 84, 85, 86]) || !$ad->file_path) {
             return response()->json(['message' => 'Not a book'], 404);
         }
 
@@ -373,15 +373,15 @@ public function deleteBook(Request $request, Ad $ad)
     public function getBooksStats()
     {
         $stats = [
-            'total_books' => Ad::where('category_id', 7)
+            'total_books' => Ad::whereIn('category_id', [83, 84, 85, 86])
                 ->whereNotNull('file_path')->count(),
-            'pending_approval' => Ad::where('category_id', 7)
+            'pending_approval' => Ad::whereIn('category_id', [83, 84, 85, 86])
                 ->whereNotNull('file_path')
                 ->where('status', 'pending_approval')->count(),
-            'approved_books' => Ad::where('category_id', 7)
+            'approved_books' => Ad::whereIn('category_id', [83, 84, 85, 86])
                 ->whereNotNull('file_path')
                 ->where('status', 'active')->count(),
-            'rejected_books' => Ad::where('category_id', 7)
+            'rejected_books' => Ad::whereIn('category_id', [83, 84, 85, 86])
                 ->whereNotNull('file_path')
                 ->where('status', 'rejected')->count(),
             'total_sales' => Payment::where('payable_type', 'book')
@@ -430,11 +430,11 @@ private function getTopAgents()
     {
         return User::where('is_agent', true)
             ->withCount(['ads as books_count' => function ($query) {
-                $query->where('category_id', 7)
+                $query->whereIn('category_id', [83, 84, 85, 86])
                       ->whereNotNull('file_path');
             }])
             ->with(['ads' => function ($query) {
-                $query->where('category_id', 7)
+                $query->whereIn('category_id', [83, 84, 85, 86])
                       ->whereNotNull('file_path');
             }])
             ->orderBy('books_count', 'desc')
@@ -469,7 +469,7 @@ private function getTopAgents()
      */
     private function getBooksByCategory()
     {
-        return Ad::where('category_id', 7)
+        return Ad::whereIn('category_id', [83, 84, 85, 86])
             ->whereNotNull('file_path')
             ->join('categories', 'ads.category_id', '=', 'categories.id')
             ->selectRaw('categories.name as category_name, COUNT(*) as count')
@@ -483,7 +483,7 @@ private function getBooksByCategory()
      */
     private function getRecentUploads()
     {
-        return Ad::where('category_id', 7)
+        return Ad::whereIn('category_id', [83, 84, 85, 86])
             ->whereNotNull('file_path')
             ->with(['user:id,name,email', 'category:id,name'])
             ->latest()
diff --git a/eunixmac_backend/app/Http/Controllers/BookController.php b/eunixmac_backend/app/Http/Controllers/BookController.php
index 1cde893..3c1942a 100644
--- a/eunixmac_backend/app/Http/Controllers/BookController.php
+++ b/eunixmac_backend/app/Http/Controllers/BookController.php
@@ -14,7 +14,7 @@ class BookController extends Controller
     public function index(Request $request)
     {
         $books = $request->user()->ads()
-            ->where('category_id', 7) // Books and Media
+            ->whereIn('category_id', [83, 84, 85, 86]) // Books, Past Questions, Ebooks, Publications
             ->whereNotNull('file_path')
             ->with(['category:id,name'])
             ->orderBy('created_at', 'desc')
@@ -228,17 +228,15 @@ public function store(Request $request)
 
     private function getCategoryIdByName($categoryName)
     {
-        // Map category names to IDs based on your categories
+        // Map category names to IDs based on the Books category (ID 83) sub-categories
         $categoryMap = [
-            'Fiction Books' => 8,
-            'Non-Fiction Books' => 9,
-            'Music' => 10,
-            'Movies' => 11,
-            'TV Shows' => 12,
-            'Book' => 7, // Default
+            'Past Questions' => 84,
+            'Ebooks' => 85,
+            'Publications' => 86,
+            'Books' => 83, // Default parent
         ];
 
-        return $categoryMap[$categoryName] ?? 7; // Default to Books and Media category
+        return $categoryMap[$categoryName] ?? 83; // Default to Books parent category
     }
 
     public function download(Request $request, Ad $ad)
diff --git a/eunixmac_frontend/src/pages/AdminBooksManagement.jsx b/eunixmac_frontend/src/pages/AdminBooksManagement.jsx
index 8182478..b9fa572 100644
--- a/eunixmac_frontend/src/pages/AdminBooksManagement.jsx
+++ b/eunixmac_frontend/src/pages/AdminBooksManagement.jsx
@@ -93,12 +93,10 @@ const AdminBooksManagement = () => {
   };
 
   const categories = [
-    { id: 7, name: 'Books and Media' },
-    { id: 8, name: 'Fiction Books' },
-    { id: 9, name: 'Non-Fiction Books' },
-    { id: 10, name: 'Music' },
-    { id: 11, name: 'Movies' },
-    { id: 12, name: 'TV Shows' }
+    { id: 83, name: 'Books' },
+    { id: 84, name: 'Past Questions' },
+    { id: 85, name: 'Ebooks' },
+    { id: 86, name: 'Publications' }
   ];
 
   useEffect(() => {
@@ -433,11 +431,18 @@ const AdminBooksManagement = () => {
                       </Typography>
                     </TableCell>
                     <TableCell>
-                      <Chip
-                        label={book.category?.name}
-                        size="small"
-                        variant="outlined"
-                      />
+                      <Box>
+                        <Chip
+                          label={book.category?.parent?.name || book.category?.name}
+                          size="small"
+                          variant="outlined"
+                        />
+                        {book.category?.parent && (
+                          <Typography variant="caption" color="text.secondary" display="block" mt={0.5}>
+                            {book.category?.name}
+                          </Typography>
+                        )}
+                      </Box>
                     </TableCell>
                     <TableCell>
                       <Chip
@@ -578,7 +583,8 @@ const AdminBooksManagement = () => {
                       </Grid>
                       <Grid item xs={6}>
                         <Typography variant="body2">
-                          <strong>Category:</strong> {selectedBook.category?.name}
+                          <strong>Category:</strong> {selectedBook.category?.parent?.name || selectedBook.category?.name}
+                          {selectedBook.category?.parent && ` > ${selectedBook.category?.name}`}
                         </Typography>
                       </Grid>
                       <Grid item xs={6}>
diff --git a/eunixmac_frontend/src/pages/UploadBook.jsx b/eunixmac_frontend/src/pages/UploadBook.jsx
index a37540d..c52ba45 100644
--- a/eunixmac_frontend/src/pages/UploadBook.jsx
+++ b/eunixmac_frontend/src/pages/UploadBook.jsx
@@ -55,11 +55,9 @@ const UploadBox = styled(Box)(({ theme }) => ({
 const steps = ['Upload File', 'Book Details', 'Pricing & Settings', 'Review & Submit'];
 
 const bookCategories = [
-  'Fiction Books',
-  'Non-Fiction Books',
-  'Music',
-  'Movies',
-  'TV Shows'
+  'Past Questions',
+  'Ebooks',
+  'Publications'
 ];
 
 const subjectAreas = [