Charlemagne

In the Path of Conquest: Resistance to Alexander the Great

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

Trajan: Rome's Last Conqueror

Rate of Climb: Thrilling Personal Reminiscences from A Fighter Pilot and Leader

Brunelleschi's Dome: How a Renaissance Genius Reinvented Architecture

The Dangerous Life and Ideas of Diogenes The Cynic

1415: 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

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

Europe Between the Oceans: 9000 BC-AD 1000

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

Music of Exile: The Untold Story of the Composers who Fled Hitler

The Wall: Rome's Greatest Frontier

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

Packing My Library: An Elegy and Ten Digressions

The Secret History