Crusading Against Christians in the Middle Ages

A Distant Mirror: The Calamitous 14th Century

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

The Military Orders Volume VI (Part 2): Culture and Conflict in Western and Northern Europe

Visions of Sadhu Sundar Singh of India

The Military Orders Volume VI (Part 1): Culture and Conflict in The Mediterranean World

The Desert Fathers: Sayings of the Early Christian Monks

Crusades: Volume 16

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

Military Diasporas: Building of Empire in the Middle East and Europe (550 BCE-1500 CE)

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

Political Theology: Four Chapters on the Concept of Sovereignty

Muhammad: A Very Short Introduction

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

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

Medieval Europe

A History of Christianity: The First Three Thousand Years

Shinto the Kami Way