Andy Dumas is a distinguished Canadian boxing coach, certified fitness consultant, instructional author, TV personality and motivational speaker. Working alongside the World Boxing Council, Andy has been integral in the development of The World School of Boxing, which offers best procedures and practices for physical training and medical basics. This is his third book for Crowood. James Turner is an accomplished kickboxing champion and Hall of Fame martial artist. He competes internationally as well as being a sought-after seminar instructor. Alongside his fighting career, James is passionate about contributing to the martial arts community, and teaches kickboxing and self-defence to schools, fitness gyms, private groups and corporate clients. He lives in the UK.