The Secret War: Spies, Ciphers, and Guerrillas, 1939-1945

The Pursuit of Power: Europe 1815-1914

Armageddon: The Battle for Germany, 1944-45

Postwar: A History of Europe Since 1945

Inferno: The World at War, 1939-1945

The Death of Democracy: Hitler's Rise to Power and the Downfall of the Weimar Republic

Retribution

We Don't Know Ourselves: A Personal History of Modern Ireland

Korean War

The Global Age: Europe 1950-2017

Vietnam: An Epic Tragedy, 1945-1975

The Deluge: The Great War, America and the Remaking of the Global Order, 1916-1931

Das Reich: The March of the 2nd SS Panzer Division Through France, June 1944

Flashpoints: The Emerging Crisis in Europe

Operation Pedestal: The Fleet That Battled to Malta, 1942

A State of Fear: How the UK government weaponised fear during the Covid-19 pandemic

The Abyss: Nuclear Crisis Cuba 1962

Bomber Command

To Build a Better World: Choices to End the Cold War and Create a Global Commonwealth