Thomas Mntzer: A Tragedy of Errors

Zealot: The Life and Times of Jesus of Nazareth

Good Friday's Good News: Meditations for the Mean Meantime

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

A History of Lutheranism

The Cost of Discipleship

Christendumb: A Tongue-in-Cheek History of Christianity

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

Toxic Spirituality: Four Enduring Temptations of Christian Faith

Learning Theology with the Church Fathers

"Professor Heussi? I Thought You Were a Book": A Memoir of Memorable Theological Educators, 1950-2009

The Gnostic Bible: Revised and Expanded Edition

Beyond Belief: The Secret Gospel of Thomas

Lutheranism: The Theological Movement and Its Confessional Writings

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

Becoming Divine: An Introduction to Deification in Western Culture

Signs of Life: 40 Catholic Customs and Their Biblical Roots

Jesus and the Dead Sea Scrolls: Revealing the Jewish Roots of Christianity

The Great Heresies