A book in an app. This app was designed for the Novice rower and Cpxswain in mind. An excellent reference for learning to scull or sweep. Interactice animations will show you the drive, ratio of the drive and recovery, the catch, release, squaring and feathering blades and sweep rowing. There is also a section on the rowing drills, equipment, terminology, coxswain commands and safety tips that you should know. Make sure to check the "i" button, every section has different information. This is a must have app for anyone wanting to improve their basic rowing skills. You will not be disappointed.