Words Their Way Alphabetic sorts 1-50 complete book package. This package has all sorts 1-50 for the Alphabetic spellers in colorful, hands-on flipcharts. Works with Promethean and Smart boards. If using with a smart board, you must download the free Promethean board software located on the main page of the site- prometheanplanet.com- (go to support, then software, then ActivInspire and download, then enjoy sorts)