The Lionkeeper of Algiers: How an American Captive Rose to Power in Barbary and Saved His Homeland from War

The Great Sea: A Human History of the Mediterranean

The Damascus Events: The 1860 Massacre and the Destruction of the Old Ottoman World

Lost to the West: The Forgotten Byzantine Empire That Rescued Western Civilization

Say Nothing: A True Story of Murder and Memory in Northern Ireland

Charlie One: The Story of an Irishman in the British Army and His Role in Covert Counter-Terrorism Operations

Ottoman Empire: An Enthralling Guide to One of the Mightiest (The Complete Account of One of the Greatest Empires in Human History)

The Glorious Heresies: 'A big, brassy, sexy beast of a book' IRISH TIMES

Unmasking The Gentiles: The Secret Plot To Replace Israel

The Great Siege: Malta 1565

The Ottomans: Khans, Caesars and Caliphs

The History of Ireland

The Crooked Branch

Ottoman Empire: An Enthralling Guide to One of the Mightiest (An Enthralling Overview of the Rise and Fall of the Ottoman Empire)

The White Castle

How the Irish Saved Civilization: The Untold Story of Ireland's Heroic Role from the Fall of Rome to the Rise of Medieval Europe

The Outside Boy

Lost Islamic History: Reclaiming Muslim Civilisation from the Past

Secret Child

Kathleen in Ireland