public function editBook(\App\Service\BookService $bookService, GenreService $genreService, $form_data)
    {
        if (isset($form_data['edit'])) {

            try {
                $book = BookDTO::create(
                    $form_data['title'],
                    $form_data['author'],
                    $form_data['description'],
                    $form_data['image'],
                    intval($form_data['genre_id']),
                    $_SESSION['id']
                );

                if ($bookService->editBook($book, $_REQUEST['book_id'])) {
                    $this->redirect('my_books.php');
                }
            } catch (\Exception $exception) {
                $genres = $genreService->getAll();
                echo '<p style="color: red">' . $exception->getMessage() . '<p/>';
                $this->template->render('book/edit', $genres);
            }
        } else {
            $book = $bookService->findBookById($_GET['book_id']);
            $genres = $genreService->getAll();
            $this->template->render('book/edit_book', $book, $genres);
        }
    }