Biographie de l'auteur
is considered by many to be the best pound-for-pound grappler in the world. He is training in Florida.Erich Krauss
is a professional Muay Thai kickboxer who has trained and competed in Thailand. He has written or co-authored of fifteen books, including Wrestling for Fighting:The Natural Way.Glen Cordoza
is a professional mixed martial arts fighter and co-author of Mixed Martial Arts: The Book of Knowledge.