Incomplete Commentary on Matthew (Opus imperfectum)

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

Zealot: The Life and Times of Jesus of Nazareth

The Cost of Discipleship

Essential Gnostic Scriptures

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

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

Learning Theology with the Church Fathers

The Gnostic Bible: Revised and Expanded Edition

We Believe in the Holy Spirit

The Book of Daniel