a

app/Http/Controllers/QuickApp/Book/BookController.php

@@ -835,7 +835,7 @@ class BookController extends BaseController
 
         $books = BookConfigService::getBooks($where, [], 3);
 
-        return response()->collection(new BookTransformer(), $commbooks);
+        return response()->collection(new BookTransformer(),  $books);
     }