The Christ Files: How Historians Know What They Know about Jesus

A Doubter's Guide to Jesus: An Introduction to the Man from Nazareth for Believers and Skeptics

Secrets of Santa Muerte: A Guide to the Prayers, Spells, Rituals, and Hexes

SPQR: A History of Ancient Rome

A Doubter's Guide to the Bible: Inside History’s Bestseller for Believers and Skeptics

Hellenistic Astrology: The Study of Fate and Fortune

Life of Jesus: Who He Is and Why He Matters

The Scorpion's Strike: Empire X

A Doubter's Guide to World Religions: A Fair and Friendly Introduction to the History, Beliefs, and Practices of the Big Five

Is Jesus History?

Daily Reflections on Divine Mercy: 365 Days with Saint Faustina

Hearing Her Voice, Revised Edition: A Case for Women Giving Sermons

Rubicon: The Triumph and Tragedy of the Roman Republic

A Doubter's Guide to the Ten Commandments: How, for Better or Worse, Our Ideas about the Good Life Come from Moses and Jesus

The Missionary Position: Mother Teresa in Theory and Practice

The Secret of the Rosary

Mythology (75th Anniversary Illustrated Edition): Timeless Tales of Gods and Heroes

The Worship Warrior: Ascending In Worship, Descending in War