Ratzinger's Faith: The Theology of Pope Benedict XVI

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

Catholic Theology

Zealot: The Life and Times of Jesus of Nazareth

Unconformed to the Age: Essays in Catholic Ecclesiology

The Cost of Discipleship

The Culture of the Incarnation: Essays in Catholic Theology

Essential Gnostic Scriptures

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

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

Benedict XVI: A Guide for the Perplexed

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

Beyond Kant and Nietzsche: The Munich Defence of Christian Humanism

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

Learning Theology with the Church Fathers

The Gnostic Bible: Revised and Expanded Edition

Beyond Belief: The Secret Gospel of Thomas

Becoming Divine: An Introduction to Deification in Western Culture

Signs of Life: 40 Catholic Customs and Their Biblical Roots