- Fighting Science: The Laws of Physics for Martial Artists
- Sweden: An Illustrated History (Illustrated Histories (Hippocrene))
- Japanese Swords: The Katana and Gunto in Medieval and Modern Japanese Warfare (Knives, Swords, and Bayonets: A World History of Edged Weapon Warfare)
- The Martial Arts Book of Physics: How To Maximize Your Power, Speed and Endurance Using The Natural Laws of Motion.
- Complete Kickboxing: The Fighter's Ultimate Guide to Techniques, Concepts and Strategy for Sparring and Competition