- Fighting Science: The Laws of Physics for Martial Artists
- Sweden: An Illustrated History (Illustrated Histories (Hippocrene))
- Longsword and Saber: Swords and Swordsmen of Medieval and Modern Europe (Knives, Swords, and Bayonets: A World History of Edged Weapon Warfare)
- Norse Warfare: Unconventional Battle Strategies of the Ancient Viking
- Japanese Swords: The Katana and Gunto in Medieval and Modern Japanese Warfare (Knives, Swords, and Bayonets: A World History of Edged Weapon Warfare)