text: /**
   * Factory Book
   * @extends activeRecordService
   * @param {activeRecordService} activeRecordService
   * @return {activeRecordService} activeRecordService overwrited to controller
   */
  app.factory('Book', function(activeRecordService) {
  
      function Book(){
          this.model = 'book';
      }
  
      Book.prototype = activeRecordService;
  
      return Book;
  });
  