The Long Shadow of Default: Britain's Unpaid War Debts to the United States, 1917-2020

1415: Henry V's Year of Glory: Henry V's Year of Glory

The Fears of Henry IV

To the Ends of the Earth: Scotland's Global Diaspora 1750-2010

The Scottish Nation: A Modern History

Convoy Escort Commander: A Memoir of the Battle of the Atlantic

Crisis Convoy: The Story of HX231, A Turning Point in the Battle of the Atlantic

Europe Between the Oceans: 9000 BC-AD 1000

The Enlightenment that Failed: Ideas, Revolution, and Democratic Defeat, 1748-1830

Charlemagne

Making the Arab World: Nasser, Qutb, and the Clash That Shaped the Middle East

The Wall: Rome's Greatest Frontier

Between Giants: The Battle for the Baltics in World War II

Brunelleschi's Dome: How a Renaissance Genius Reinvented Architecture

On Anger, on Leisure, on Clemency: Essays, Volume 2

The Moral Epistles: 124 Letters to Lucilius

Journeys of the Mind: A Life in History

Medieval Maritime Warfare

God's Shadow: Sultan Selim, His Ottoman Empire, and the Making of the Modern World

The Lives of the Artists