The Church and the Roman Empire (301–490): Constantine, Councils, and the Fall of Rome

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

St. Joseph and His World

The Cost of Discipleship

A.D. The Bible Continues Ministers and Martyrs

Zealot: The Life and Times of Jesus of Nazareth

The Eucharist Foretold: The Lost Prophecy of Malachi

The Gnostic Bible: Revised and Expanded Edition

The World of Ben-Hur

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

How Christianity Saved Civilization: ...And Must Do So Again

Beyond Belief: The Secret Gospel of Thomas

A Year with the Church Fathers: Patristic Wisdom for Daily Living

Becoming Divine: An Introduction to Deification in Western Culture

A Joyful Noise: Praying the Psalms with the Early Church

A Concise History of the Catholic Church (Revised Edition)

How the Fathers Read the Bible: Scripture, Liturgy, and the Early Church

Signs of Life: 40 Catholic Customs and Their Biblical Roots

Africa and the Early Church: The Almost-Forgotten Roots of Catholic Christianity

Challenging the Traditional Interpretations of Justification by Faith, Part 1