The Valet's Tragedy and Other Studies

Zealot: The Life and Times of Jesus of Nazareth

A Collection of Ballads

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

Letters to Dead Authors

The Cost of Discipleship

Helen of Troy

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

The Book of Romance

Free Will vs. Predestination: Calvinism and Arminianism Explained

Homer and His Age

Learning Theology with the Church Fathers

The Lilac Fairy Book

The Gnostic Bible: Revised and Expanded Edition

Magic and Religion

Beyond Belief: The Secret Gospel of Thomas

Grass of Parnassus

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

Much Darker Days

Becoming Divine: An Introduction to Deification in Western Culture