British Armoured Divisions and Their Commanders, 1939–1945

Churchill's Ministry of Ungentlemanly Warfare: The Mavericks who Plotted Hitler's Defeat

The Siege of Derry 1689: The Military History

Helmand Mission: With The Royal Irish Battlegroup in Afghanistan 2008

Spearhead: An American Tank Gunner, His Enemy and a Collision of Lives in World War II

In the Ranks of Death: The Irish in the Second World War

Happy Odyssey

Hobart's 79th Armoured Division at War: Invention, Innovation & Inspiration

KL: A History of the Nazi Concentration Camps

Eighth Army in Italy, 1943-45: The Long Hard Slog

The Rise and Fall of the House of Medici

The Thin Green Line: The History of the Royal Ulster Constabulary GC, 1922–2001

Gomorrah: A Personal Journey into the Violent International Empire of Naples' Organized Crime System

Churchill's Greatest Fear: The Battle of the Atlantic 3 September 1939 to 7 May 1945

The Tigress of Forlì: Renaissance Italy's Most Courageous and Notorious Countess, Caterina Riario Sforza de' Medici

Royal Artillery in the Second World War: The Royal Artillery in the Second World War

The Quest for Queen Mary