|By Benny 'The Jet' Urquidez. #402. 7 X 10, 224 pages, paperback. ISBN #0-86568-015-9. In Benny 'The Jet' Urquidez's first book on professional karate, he instructs the student in the techniques that made him No. 1 in the kickboxing world-conditioning, speed, power, timing, endurance, distancing, strategy, and of course, his famous fighting techniques for devastating opponents.