The Outsiders: Refugees in Europe since 1492

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

The Borgias: Power and Depravity in Renaissance Italy

The Ancient Celts: Second Edition

King Arthur’s Wars: The Anglo-Saxon Conquest of England

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

Vienna: The International Capital

Opium: A History

The Shortest History of Migration

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

Lutzen: Great Battles

Four Princes: Henry VIII, Francis I, Charles V, Suleiman the Magnificent and the Obsessions that Forged Modern Europe

Instrument of War: The German Army 1914–18

Scots and Catalans: Union and Disunion

The World of Sugar: How the Sweet Stuff Transformed Our Politics, Health, and Environment over 2,000 Years

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

Hitler and Film: The Führer's Hidden Passion

Cairo 1921: Ten Days that Made the Middle East

A Forgotten Hero: Folke Bernadotte, the Swedish Humanitarian Who Rescued 30,000 People from the Nazis

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