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

SPQR: A History of Ancient Rome

Roman Architecture: A Visual Guide

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

The Missionary Position: Mother Teresa in Theory and Practice

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 Secret of the Rosary

Life of Jesus: Who He Is and Why He Matters

The Rosary with St. Thérèse of Lisieux

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

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

St. Vincent Ferrer: The Angel of the Judgment

Is Jesus History?

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

The Fall of Carthage: The Punic Wars 265-146BC

No Greater Love

The Worship Warrior: Ascending In Worship, Descending in War