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

The Catholicity of the Church

The Cost of Discipleship

Church and Society: The Laurence J. McGinley Lectures, 1988-2007

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

The Priestly Office: A Theological Reflection

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

The Holocaust, Never to be Forgotten: Reflections on the Holy See's Document We Remember

Learning Theology with the Church Fathers

The Gnostic Bible: Revised and Expanded Edition

On Guard: Defending Your Faith with Reason and Precision

Beyond Belief: The Secret Gospel of Thomas

Essential Gnostic Scriptures

Becoming Divine: An Introduction to Deification in Western Culture

Tactics: A Game Plan for Discussing Your Christian Convictions

Theology of the New Testament: A Canonical and Synthetic Approach

Zealot: The Life and Times of Jesus of Nazareth