- The Medieval Cannon 1326–1494
- The English Longbow - Investigating a myth: Volume 1: Performance and employment 1298-1485 (From Retinue to Regiment)
- Urban Political (Dis)Orders: Governing Cities in the Age of Austerity
- The Tudor Arte of Warre. Volume 2: The conduct of war in the reign of Elizabeth I 1558-1603
- The Sieges of Rhodes 1480 and 1522 (From Retinue to Regiment)