Brazilian Jiu-Jitsu: The Closed Guard (Book of Knowledge)
BJ Pennis the current UFC Lightweight Champion of the world. He was the head coach on Spike TV's hit show,The Ultimate Fighter, and drew the largest pay-per-view audience in UFC history.Dave Camarillois a black belt in both judo and jiu-jitsu.  He currently trains dozens of world-class grapplers and fighters, including many who compete in the Ultimate Fighting Championship.Erich Kraussis a professional Muay Thai fighter. He has written for theNew York Timesand is the author of more than twenty books.Glen Cordozais a professional MMA fighter. He is the author of eight books on the sport of MMA, including the best-selling title,Mixed Martial Arts.