Crusading as an Act of Vengeance, 1095–1216

A Distant Mirror: The Calamitous 14th Century

The Crusades, Christianity, and Islam

The Hollow Crown: The Wars of the Roses and the Rise of the Tudors

The First Crusade and Idea of Crusading

The Desert Fathers: Sayings of the Early Christian Monks

Crusaders and Settlers in the Latin East

A History of Religious Ideas, Volume 2: From Gautama Buddha to the Triumph of Christianity

Visions of Sadhu Sundar Singh of India

Crusades: Volume 10

Muhammad: A Very Short Introduction

The Safeguard of the Sea: A Naval History of Britain 660-1649

The Rise of Islam: A picture story of the origin of one of the world's great religions

The Hidden History of Women's Ordination: Female Clergy in the Medieval West

A History of Christianity: The First Three Thousand Years

Shinto the Kami Way

Thomas Becket: Warrior, Priest, Rebel, Victim: A 900-Year-Old Story Retold

Quotes on Hinduism and Hindustan

Medieval Europe