Alexander the Great: General, Leader, God?
2021
Medieval Christianity: Understanding Faith, Mysticism, and Worship during the Middle Ages
2017
Desert Asceticism to Vatican II: The 2,000 Year History of Christian Reform, From
2014
The Middle Ages 101: Medieval History and Life
2011
The History of the Catholic Church: Tradition and Innovation
2017
The Crusades 101: Holy Knights, Epic Battles, and Sacred Land
2011