The Saint and the Sultan: The Crusades, Islam, and Francis of Assisi's Mission of Peace
The Crusades: A Very Short Introduction (Very Short Introductions)
The Crusades: A History
The Crusades: The Authoritative History of the War for the Holy Land
The Crusades: A Reader, Second Edition: 8 (Readings in Medieval Civilizations and Cultures)
The Oxford History of the Crusades
The First World War
Waterloo: The History of Four Days, Three Armies, and Three Battles
The Book of Contemplation: Islam and the Crusades (Penguin Classics)
The Unwinding: An Inner History of the New America