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

Zealot: The Life and Times of Jesus of Nazareth

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

The Pilgrims Progress

Beyond Belief: The Secret Gospel of Thomas

Signs of Life: 40 Catholic Customs and Their Biblical Roots

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

In Distant Lands: A Short History of the Crusades

Fields of Blood: Religion and the History of Violence

Unfollow: A Journey from Hatred to Hope, leaving the Westboro Baptist Church

The Battle for God: A History of Fundamentalism

Christ Alone: Audio Lectures: A Complete Course on the Doctrine of Christ

Historical Theology: Part 1: An Introduction to Christian Doctrine

Millennium: The End of the World and the Forging of Christendom

The Case for Christ Daily Moment of Truth: Devotions to Strengthen Your Spiritual Knowledge (A 180-Day Devotional)

Eucharistic Miracles: and Eucharistic Phenomena in the Lives of the Saints

How Africa Shaped the Christian Mind: Rediscovering the African Seedbed of Western Christianity

Skeletons in God's Closet: The Mercy of Hell, the Surprise of Judgment, the Hope of Holy War

A Doubter's Guide to the Bible: Inside History’s Bestseller for Believers and Skeptics