21 Ecumentical Councils that Shaped Catholic History and Beliefs

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

2,000 Years of Papal History

Zealot: The Life and Times of Jesus of Nazareth

The Council of Trent: Answering the Reformation and Reforming the Church

The Pilgrims Progress

St. Ignatius Loyola and the Remarkable History of the First Jesuits

Beyond Belief: The Secret Gospel of Thomas

Vatican II

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

Signs of Life: 40 Catholic Customs and Their Biblical Roots

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

The Kebra Nagast

Christ Alone: Audio Lectures: A Complete Course on the Doctrine of Christ

The New Testament in Its World: Audio Lectures, Part 2 of 2: An Introduction to the History, Literature, and Theology of the First Christians

Historical Theology: Part 1: An Introduction to Christian Doctrine

Millennium: The End of the World and the Forging of Christendom

Eucharistic Miracles: and Eucharistic Phenomena in the Lives of the Saints

Skeletons in God's Closet: The Mercy of Hell, the Surprise of Judgment, the Hope of Holy War