Now you can have the gold standard reference for flat track roller derby at your fingertips!

• Includes the complete text of the official rules, track design, rules publications, referee hand signals, officiating standard practices, and minimum skills requirements
• Add and organize bookmarks to favorite sections or use them as a study aid
• Quickly find any term in any document using the powerful search screen
• Stay on top of the latest Rules Q&A with automatic updates from wftda.com
• Use the referee hand signal flashcards to test your knowledge and train your skaters and officiating crew
• Double check your track set-up with the high-quality, zoomable track layout and marking guides
• On sale now in over 100 countries worldwide. Works with iPad 2®, iPad, iPhone® 4, iPhone 3GS, iPhone 3G, the original iPhone, and iPod touch®.

iPad, iPhone, and iPod touch are trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a service mark of Apple Inc.