Ratzinger's Faith: The Theology of Pope Benedict XVI

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

Catholic Theology

The Cost of Discipleship

Unconformed to the Age: Essays in Catholic Ecclesiology

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

The Culture of the Incarnation: Essays in Catholic Theology

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

Remembering George Cardinal Pell: Recollections of a Great Man of the Church

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

Benedict XVI: A Guide for the Perplexed

Learning Theology with the Church Fathers

Beyond Kant and Nietzsche: The Munich Defence of Christian Humanism

The Gnostic Bible: Revised and Expanded Edition

Beyond Belief: The Secret Gospel of Thomas

Essential Gnostic Scriptures

Becoming Divine: An Introduction to Deification in Western Culture

Theology of the New Testament: A Canonical and Synthetic Approach

Zealot: The Life and Times of Jesus of Nazareth