This is a small but very well written book on self-defense. Most of his descriptions are from the best parts of Karate, jujitsu, aikido and savate. All his fatntastic explanations have diagrams that accompany them. A must for every law enforcement officer. This book would help you accelerate your knowledge in any Jujitsu program you were enrolled in. And a great refreasher for those who have studied the arts. ( )