About the Author

Mark Hatmaker is the author of "No Holds Barred Fighting" and "More No Holds Barred Fighting". He is the founder of Extreme Self Protection, a company that compiles, analyses, and teaches unarmed combat methods. He lives in Knoxville, Tennessee. Doug Werner is the author of 15 books on sports and fitness, including the books in the Start-Up Sports series. He lives in San Diego, California.