The Christ Files: How Historians Know What They Know about Jesus

A Doubter's Guide to Jesus: An Introduction to the Man from Nazareth for Believers and Skeptics

Bullies and Saints: An Honest Look at the Good and Evil of Christian History

A Doubter's Guide to the Bible: Inside History’s Bestseller for Believers and Skeptics

A Doubter's Guide to World Religions: A Fair and Friendly Introduction to the History, Beliefs, and Practices of the Big Five

History Shock: When History Collides with Foreign Relations

Humilitas: A Lost Key to Life, Love, and Leadership