Albemarle Street: Portraits, Personalities and Presentations at The Royal Institution

The Siege of Tyre: Alexander the Great and the Gateway to Empire

Theoderic the Great: King of Goths, Ruler of Romans

Lutzen: Great Battles

Instrument of War: The German Army 1914–18

Scots and Catalans: Union and Disunion

Battle for the Ruhr: The German Army's Final Defeat in the West

Cairo 1921: Ten Days that Made the Middle East

Forgotten War: The British Empire and Commonwealth's Epic Struggle Against Imperial Japan, 1941–1945

March 1917: On the Brink of War and Revolution

The Borgias: Power and Depravity in Renaissance Italy

The Ancient Celts: Second Edition

A Hidden History of The Tower Of London: England’s Most Notorious Prisoners

Haig's Enemy: Crown Prince Rupprecht and Germany's War on the Western Front

Journey to a Revolution: A Personal Memoir and History of the Hungarian Revolution of 1956

Vienna: The International Capital

Traders in Men: Merchants and the Transformation of the Transatlantic Slave Trade

Blue Water War: The Maritime Struggle in the Mediterranean and Middle East, 1940–1945

Normandy: The Sailor's Story: A Naval History of D-Day and the Battle for France

Hitler's Panzer Generals: Guderian, Hoepner, Reinhardt and Schmidt Unguarded