public static Genre getByName(String s) {
		switch( s ) {
			case "Drama": return DRAMA;
			case "Kinderbuch": return KIDS_BOOK;
			case "Lyrik": return LYRICS;
			case "Roman": return NOVEL;
			case "Sachbuch": return NONFICTION;
		default:
			throw new InvalidParameterException("There is no genre which has the specified name: " + s);
		}		
	}