diff --git a/backend/controllers/BookController.php b/backend/controllers/BookController.php
index d86d711..e67c239 100644
--- a/backend/controllers/BookController.php
+++ b/backend/controllers/BookController.php
@@ -103,4 +103,25 @@
                 throw new NotFoundHttpException('The requested page does not exist.');
             }
         }
+    
+        public function actionDelete($id)
+        {
+            if (file_exists(\Yii::getAlias('@storage/books/') . $id)) {
+                $this->removeDirectory(\Yii::getAlias('@storage/books/') . $id);
+            }
+            $this->findModel($id)
+                 ->delete();
+        
+            return $this->redirect([ 'index' ]);
+        }
+    
+        public static function removeDirectory($dir)
+        {
+            if ($objs = glob($dir . "/*")) {
+                foreach ($objs as $obj) {
+                    is_dir($obj) ? self::removeDirectory($obj) : unlink($obj);
+                }
+            }
+            rmdir($dir);
+        }
     }
\ No newline at end of file
--
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