No Holds Barred Fighting: The Book of Essential Submissions: 101 Tap Outs! (No Holds Barred Fighting series)
Mark Hatmakeris the bestselling author of seven books in the No Holds Barred Fighting series, includingMore No Holds Barred Fighting,The Ultimate Guide to Conditioning and Boxing Mastery, andThe Ultimate Guide to Submission Wrestling. He is the founder of Extreme Self Protection, a research group dedicated to Western combat methods. He lives in Knoxville, Tennessee.