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

Cold-Case Christianity: A Homicide Detective Investigates the Claims of the Gospels

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

Zealot: The Life and Times of Jesus of Nazareth

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

The Cost of Discipleship

The New Testament in Its World: An Introduction to the History, Literature, and Theology of the First Christians

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

The Pilgrim's Progress: From This World to That Which is to Come

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

Learning Theology with the Church Fathers

Is Jesus History?

Hearing Her Voice, Revised Edition: A Case for Women Giving Sermons

The Gnostic Bible: Revised and Expanded Edition

A Doubter's Guide to the Ten Commandments: How, for Better or Worse, Our Ideas about the Good Life Come from Moses and Jesus

Beyond Belief: The Secret Gospel of Thomas

Becoming Divine: An Introduction to Deification in Western Culture

What It Means to Be Protestant: The Case for an Always-Reforming Church

The Worship Warrior: Ascending In Worship, Descending in War

Signs of Life: 40 Catholic Customs and Their Biblical Roots