diff --git a/app/Controllers/ApiIntegration.php b/app/Controllers/ApiIntegration.php
index d370b0bb..25ac380c 100644
--- a/app/Controllers/ApiIntegration.php
+++ b/app/Controllers/ApiIntegration.php
@@ -363,7 +363,7 @@ class ApiIntegration extends ResourceController
                         }
                         $book_image_data[$book_image_inx]['img_name'] =isset($img->name) && !empty($img->name) ? $img->name : NULL;
                         $book_image_data[$book_image_inx]['wp_img_url'] = isset($img->src) && !empty($img->src) ? $img->src : NULL;
-                        $book_image_data[$book_image_inx]['is_cover'] = (!empty($bookImgId) && $book_image_inx == 0) ? 1 : 0 ;
+                        $book_image_data[$book_image_inx]['is_cover'] = (!empty($bookImgId) && (int)$book_image_inx === 0) ? 1 : 0 ;
                         $book_image_data[$book_image_inx]['type'] = 2;
                         $book_image_data[$book_image_inx]['book_id'] = $last_insert_book_id;
                         $book_image_data[$book_image_inx]['isactive'] = 1;
@@ -383,13 +383,13 @@ class ApiIntegration extends ResourceController
             if ($last_insert_book_id != "") {
                 ## To save/update categories master details 
                 $this->save_categories_master_details($categories);
-                $extensive_correspondence .= " Its have " . count($categories) . " Categories";
-                $basic_message .= " And Its have " . count($categories) . " Categories";
+                $extensive_correspondence .= " Its have " . count($categories) . " Book-Categories";
+                $basic_message .= " And Its have " . count($categories) . " Book-Categories";
                 $this->logger->info("Api SaveBookDetails : ".$extensive_correspondence);
                 $master_categories = $api_model->getData('category', ['isactive' => 1]);
                 $this->logger->info("Api SaveBookDetails : total master categories count = ".count($master_categories));
                 $where = ['book_id' => (int)$last_insert_book_id, 'isactive' => 1 ];
-                $existing_categories = $api_model->getData('book_categories', $where);
+                $existing_categories = $api_model->getExistingBookCategories($where);
                 $this->logger->info("Api SaveBookDetails : existing book categories count = ".count($existing_categories)." Book_id = ".$last_insert_book_id);
                 $request_categories = (array)$categories;
                 $filtering_existing_categories_wpApiId = [];
@@ -402,21 +402,21 @@ class ApiIntegration extends ResourceController
                     for ($z = 0; $z < count($request_categories); $z++) {
                         $filtering_requested_categories_wpApiId[$z] =  $request_categories[$z]->id;
                     }
-                    for ($y = 0; $y < count($master_categories); $y++) {
-                        $filtering_existing_categories_wpApiId[$y] = $master_categories[$y]->wp_api_category_id;
+                    for ($y = 0; $y < count($existing_categories); $y++) {
+                        $filtering_existing_categories_wpApiId[$y] = $existing_categories[$y]->wp_api_category_id;
                     }
                     $filtering_existing_categories_wpApiId = array_diff($filtering_existing_categories_wpApiId, array(""));
                     if (!empty($filtering_requested_categories_wpApiId)) {
-                        $this->logger->info("Api SaveBookDetails : Incoming Categories Wp Id " .implode(",",$filtering_requested_categories_wpApiId));
-                        $this->logger->info("Api SaveBookDetails : Existing Categories Wp Id " .implode(",",$filtering_existing_categories_wpApiId));
+                        $this->logger->info("Api SaveBookDetails : Incoming Book Categories Wp Id " .implode(",",$filtering_requested_categories_wpApiId));
+                        $this->logger->info("Api SaveBookDetails : Existing Book Categories Wp Id " .implode(",",$filtering_existing_categories_wpApiId));
                         
                         $A = $filtering_existing_categories_wpApiId;
                         $B = $filtering_requested_categories_wpApiId;
                         $missing_category_values = array_diff($A, $B); //Find difference element in Existing Images only
                         $common_category_element = array_intersect($A, $B);
-                        $this->logger->info("Api SaveBookDetails : Missing Categories Wp Id " .implode(",",$missing_category_values)." Are inactived");
+                        $this->logger->info("Api SaveBookDetails : Missing Book Categories Wp Id " .implode(",",$missing_category_values)." Are inactived");
                         if (!empty($missing_category_values)) {
-                            $this->logger->info("Api SaveBookDetails : Missing Categories Wp Id " .implode(",",$missing_category_values)." Are inactived");
+                            $this->logger->info("Api SaveBookDetails : Missing Book Categories Wp Id " .implode(",",$missing_category_values)." Are inactived");
                             $where1 = ['isactive' => 1];
                             $whereIn1[0] = 'wp_api_category_id';
                             $whereIn1[1] = array_filter($missing_category_values);
@@ -424,7 +424,7 @@ class ApiIntegration extends ResourceController
                             for ($x = 0; $x < count($get_master_category_id_to_inactive); $x++) {
                                 $book_categories_to_inactive[$x] =  $get_master_category_id_to_inactive[$x]->id;
                             }
-                            $this->logger->info("Api SaveBookDetails : Missing Categories Wp Id " .implode(",",$missing_category_values)." catgory pkid =>  ".implode(",",$book_categories_to_inactive). "Are inactived");
+                            $this->logger->info("Api SaveBookDetails : Missing Book Categories Wp Id " .implode(",",$missing_category_values)." catgory pkid =>  ".implode(",",$book_categories_to_inactive). "Are inactived");
                             $where2 = ['isactive' => 1];
                             $whereIn2[0] = 'category_id';
                             $whereIn2[1] = $book_categories_to_inactive;
@@ -443,8 +443,8 @@ class ApiIntegration extends ResourceController
                     $whereIn = null;
                 }
                 $get_master_category_based_WPid = $api_model->getData('category', $where, $whereIn);
-                $this->logger->info("Api SaveBookDetails : Common Categories Wp Id " .implode(",",$common_category_element)." Are already inserted data");
-                $this->logger->info("Api SaveBookDetails : available category data count = " .count($request_categories));
+                $this->logger->info("Api SaveBookDetails : Common Book Categories Wp Id " .implode(",",$common_category_element)." Are already inserted data");
+                $this->logger->info("Api SaveBookDetails : available Book Category data count = " .count($request_categories));
                 $book_categories_data = [];
                 $book_categories_inx = 0;
                 foreach ($categories as $cate) {
@@ -471,7 +471,7 @@ class ApiIntegration extends ResourceController
                 $this->logger->info("Api SaveBookDetails : ".$extensive_correspondence);
             } //category count closed
             else{
-                $this->logger->error("Api SaveBookDetails : Err = Category Data Not Found");    
+                $this->logger->error("Api SaveBookDetails : Err = Book Category Data Not Found");    
             }
             $response = ['status' => 200, 'message' => $basic_message ,'indetails' => $extensive_correspondence];
         } //if cond. closed
diff --git a/app/Models/ApiIntegrationModel.php b/app/Models/ApiIntegrationModel.php
index 1312a41a..cf0a1ad2 100644
--- a/app/Models/ApiIntegrationModel.php
+++ b/app/Models/ApiIntegrationModel.php
@@ -110,4 +110,12 @@ class ApiIntegrationModel extends Model
         ->getResultArray();
     }
 
+    public function getExistingBookCategories($where){
+        $query = $this->db->table('book_categories')
+        ->join('category', 'category.id = book_categories.category_id', 'left')
+        ->select('category.*,book_categories.book_id,book_categories.category_id as book_categories_id');
+        $query->where($where);
+        return $query->get()->getResult();
+    }
+
 }