- Fighting Science: The Laws of Physics for Martial Artists
- Strength & Power Training for Martial Arts
- Japanese Swords: The Katana and Gunto in Medieval and Modern Japanese Warfare (Knives, Swords, and Bayonets: A World History of Edged Weapon Warfare)
- The Science of Takedowns, Throws and Grappling for Self-Defense
- Cold Steel: The Knife in Army, Navy, and Special Forces Operations (Knives, Swords, and Bayonets: A World History of Edged Weapon Warfare)






























