save_path = output_dir_path
             if make_author_dir:
                 save_path = os.path.join(save_path, unicode(self.book_info.author).encode('utf-8'))
             save_path = output_dir_path
             if make_author_dir:
                 save_path = os.path.join(save_path, unicode(self.book_info.author).encode('utf-8'))