v. 1. The West and the Mediterranean world in the eleventh century
v. 2. Crusading and the Crusader states, 1095-1197
v. 3. Crusading and the Crusader states, 1198-1336
v. 4. Crusading cultures.
The Crusades. ISBN 9780415454193. Published by Routledge in 2008. Publication and catalogue information, links to buy online and reader comments.