That All Shall Be Saved: Heaven, Hell, and Universal Salvation

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

The Experience of God: Being, Consciousness, Bliss

The Cost of Discipleship

All Things Are Full of Gods: The Mysteries of Mind and Life

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

A Splendid Wickedness and Other Essays

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

The Hidden and the Manifest: Essays in Theology and Metaphysics

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

Kenogaia (A Gnostic Tale)

Learning Theology with the Church Fathers

In the Aftermath: Provocations and Laments

The Gnostic Bible: Revised and Expanded Edition

The Story of Christianity

Beyond Belief: The Secret Gospel of Thomas

Atheist Delusions: The Christian Revolution and Its Fashionable Enemies

Essential Gnostic Scriptures

Becoming Divine: An Introduction to Deification in Western Culture