God’s Battalions: The Case for the Crusades
Discovering God: The Origins of the Great Religions and the Evolution of Belief
Cities of God: The Real Story of How Christianity Became an Urban Movement and Conquered Rome
The Victory of Reason: How Christianity led to Freedom, Capitalism, and Western Success
For the Glory of God: How Monotheism Led to Reformations, Science, Witch Hunts, and the End of Slavery
One True God: Historical Consequences of Monotheism
The Rise of Christianity: How the Obscure, Marginal Jesus Movement Became the Dominant Religious Force