By Benny ‘the Jet’ Urquidez. Written by one of the greatest kickboxers of all time, this book is very concise and deals with all facets of his art & philosophy. Numerous techniques and methodology are explained in great detail–in plain English. Emphasis is on practical self-defense, the original purpose of the physical side of karate. Ukidokan is truly the Jet’s system of karate which emphasizes discipline, respect, and realistic self-defense.