Michael Prestwich, OBE, is Emeritus Professor of History and a former Pro-Vice Chancellor at Durham University. His many books include Plantagenet England, 1225-1360 (2005); Knight: The Medieval Warrior's (Unofficial) Manual (2010); Armies and Warfare in the Middle Ages: The English Experience (1996); English Politics in the Thirteenth Century (1990); The Three Edwards: War and State in England, 1272-1377 (1980); and War, Politics and Finance under Edward I (1972).
