Mysteries of the Middle Ages: And the Beginning of the Modern World

How the Irish Saved Civilization

How The Irish Saved Civilization: The Untold Story of Ireland's Heroic Role from the Fall of Rome to the Rise of Medieval Europe

St. Patrick: The First Missionary

The Gifts of the Jews: How a Tribe of Desert Nomads Changed the Way Everyone Thinks and Feels

Sailing the Wine-Dark Sea: Why the Greeks Matter

Desire of the Everlasting Hills: The World Before and After Jesus

A Saint on Death Row: The Story of Dominique Green

Pope John XXIII: A Life