The Crusades, Christianity, and Islam (Bampton Lectures in America)

The Concise History of the Crusades (Critical Issues in World and International History)

Faith, Reason, and the War Against Jihadism: A Call to Action

Bearing False Witness: Debunking Centuries of Anti-Catholic History

Islam Unveiled: Disturbing Questions about the World's Fastest-Growing Faith

The Crusades: A History