Modern HighPower Rocketry 2 Author:Mark Canepa This Second Edition of Modern High-Power Rocketry contains more than 800 photographs and illustrations specifically created to introduce the model rocket enthusiast to the exciting world of high power. Completely rewritten, photographed and designed, this book provides tips and simple advice on motor retention, ejection charges, the high-power l... more »aunch and building your first Level One, Level Two and Level Three rockets.« less