Martin Luther

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

Witch Craze: Terror and Fantasy in Baroque Germany

Zealot: The Life and Times of Jesus of Nazareth

Summer of Fire and Blood: The German Peasants' War

The Cost of Discipleship

The Witch in the Western Imagination

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

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

The Holy Bible Challenges the World: Answers to “The Bible Handbook” published by American Atheist Press

Only Jesus: What It Really Means to Be Saved

Learning Theology with the Church Fathers

The Gnostic Bible: Revised and Expanded Edition

Beyond Belief: The Secret Gospel of Thomas

Peace with God: The Secret of Happiness

Becoming Divine: An Introduction to Deification in Western Culture

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

Names of God

Signs of Life: 40 Catholic Customs and Their Biblical Roots

Christian Woman: My Wife's Story