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

Zealot: The Life and Times of Jesus of Nazareth

Armenian Apocrypha Relating to Biblical Heroes

The Sabbath

Uncovering Ancient Footprints: Armenian Inscriptions and the Pilgrimage Routes of the Sinai

The Cost of Discipleship

Armenian Apocrypha from Adam to Daniel

Essential Gnostic Scriptures

Armenian Apocrypha: The Short Questionnaire from Adam to Moses

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

Secret Groups in Ancient Judaism

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

Between Man and Man: Edition 2

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