Covering the ten centuries following the fall of Rome, War in the Middle Ages engages all aspects of its subject, including the military customs and conditions of the various Western European states; armor and weaponry recruitment; and rules of combat developed to limit bloodshed.

Philippe Contamine writes with an awareness that, in both theory and fact, medieval warfare was constantly evolving. He opens with a chapter on Roman military disintegration and the practice of warfare in the barbarian kingdoms erected on the empire's ruins. He then shows how feudalization multiplied...