The Sea-King and the Sorceress: Life and Death in the Viking Age

Powers and Thrones: A New History of the Middle Ages

The Last Duel: A True Story of Crime, Scandal, and Trial by Combat

The Vikings

Norse Mythology: A Concise Guide to Gods, Heroes, Sagas and Beliefs of Norse Mythology

The Templars: The Rise and Spectacular Fall of God's Holy Warriors

The World of Vikings

The Art of Sword Combat: A 1568 German Treatise on Swordmanship

The Secret History of the Mongol Queens: How the Daughters of Genghis Khan Rescued His Empire

The Saga of the Volsungs: With the Saga of Ragnar Lothbrok

The Two Swords of Christ: Five Centuries of War between Islam and the Warrior Monks of Christendom

Henry V: The Astonishing Triumph of England's Greatest Warrior King

The History of the Medieval World: From the Conversion of Constantine to the First Crusade

In Search of the Dark Ages

Njal's Saga

One of Us: The Story of a Massacre in Norway—and Its Aftermath

Northmen: The Viking Saga, 793–1241 AD

The Great Siege, Malta 1565: Clash of Cultures: Christian Knights Defend Western Civilization Against the Moslem Tide

Ragnar Lothbrok: The Tale of a Viking Warrior King

Ninja Weapons: Chain and Shuriken