Fortress America: The Forts That Defended America, 1600 to the Present

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

The American GI in Europe in World War II The Battle in France

In Search of the Dark Ages

G.I. Joe in France: From Normandy to Berchtesgaden

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

The American GI in Europe in World War II: The March to D-Day

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

Fortress Europe: From Stone to Steel Fortifications,1850–1945

Genghis Khan: The Secret Recipe of Traditional Food of Ancient Mongolia (The History of the Mongol Emperor From Eastern Europe to Asia)

The Secret History of the Mongols

The Forts & Fortifications of Europe 1815-1945: The Central States: Germany, Austria-Hungry and Czechoslovakia

Notre Dame de Paris: A Celebration of the Cathedral

The Forts & Fortifications of Europe 1815- 1945: The Neutral States: The Netherlands, Belgium and Switzerland

Ninja Weapons: Chain and Shuriken

Castrum to Castle: Classical to Medieval Fortifications in the Lands of the Western Roman Empire

The Tragedy of the Templars: The Rise and Fall of the Crusader States

Verdun 1916: The Renaissance of the Fortress

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