Sola: Christ, Grace, Faith, and Scripture Alone in Martin Luther's Theology

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

Francis of Assisi: The Life of a Restless Saint

Zealot: The Life and Times of Jesus of Nazareth

Martin Luther: A Late Medieval Life

The Cost of Discipleship

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

The Pentateuch as Narrative: A Biblical-Theological Commentary