The Many Faces of Christ: The Thousand-Year Story of the Survival and Influence of the Lost Gospels

Norse Mythology

Laying Down the Sword: Why We Can't Ignore the Bible's Violent Verses

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

The Next Christendom: The Coming of Global Christianity, Edition 3

Dream Catchers: How Mainstream America Discovered Native Spirituality

Mystics and Messiahs: Cults and New Religions in American History

Zealot: The Life and Times of Jesus of Nazareth

The New Faces of Christianity: Believing the Bible in the Global South

The Prose Edda

Hidden Gospels: How the Search for Jesus Lost Its Way

The Sabbath

The Great and Holy War: How World War I Became a Religious Crusade

The Cost of Discipleship

God's Continent: Christianity, Islam, and Europe's Religious Crisis

The Secret Teachings of All Ages

Climate, Catastrophe, and Faith: How Changes in Climate Drive Religious Upheaval

The Library of Greek Mythology