Kant and the Divine: From Contemplation to the Moral Law

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

The Realist Hope: A Critique of Anti-Realist Approaches in Contemporary Philosophical Theology

Zealot: The Life and Times of Jesus of Nazareth

Negative Natural Theology: God and the Limits of Reason

The Cost of Discipleship

Kant and the Creation of Freedom: A Theological Problem

Essential Gnostic Scriptures

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

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

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

Theology of the New Testament: A Canonical and Synthetic Approach

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

The Great Heresies