A History of Venice: Queen of the Seas

The Time Traveller's Guide to Medieval England: A Handbook for Visitors to the Fourteenth Century

Decline and Fall of the Roman Empire

In Search of the Dark Ages

Heaven or Heresy: A History of the Inquisition

Edward II: The Unconventional King

The Medieval World I: Kingdoms, Empires, and War

The Medieval World II: Society, Economy, and Culture

Crusaders

Empire of Gold: A History of the Byzantine Empire

The Accursed Tower: The Fall of Acre and the End of the Crusades

The Tiber and the Potomac: Rome, America, and Empires of Trust

Blood Roses: The Houses of Lancaster and York Before the Wars of the Roses

Medieval Mysteries: The History Behind the Myths of the Middle Ages

Empires of the Normans: Makers of Europe, Conquerors of Asia

One, Holy, Catholic, and Apostolic: A History of the Church in the Middle Ages

A Great and Terrible King: Edward I and the Forging of Britain

Upon This Rock: A History of the Papacy from Peter to John Paul II