At Her Majestys Secret Service: The Chiefs of Britains Intelligence Service, MI6

Elizabeth: An intimate portrait from the writer who knew her and her family for over fifty years

Double Cross in Cairo: The True Story of the Spy Who Turned the Tide of War in the Middle East

Traitor King: The Scandalous Exile of the Duke and Duchess of Windsor: AS FEATURED ON CHANNEL 4 TV DOCUMENTARY

Historical Dictionary of British Intelligence: Edition 2

Three Days In June: The Incredible Minute-by-Minute Oral History of 3 Para's Deadly Falklands War Battle

Hitler's Nest of Vipers: The Rise Of The Abwehr

Spycraft Secrets: An Espionage A-Z

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

Historical Dictionary of Signals Intelligence

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

Historical Dictionary of Cold War Intelligence

Dunkirk: The History Behind the Major Motion Picture

Historical Dictionary of Sexspionage

Amritsar 1919: An Empire of Fear & the Making of a Massacre

MI5: British Security Service Operations, 1909–1945: The True Story of the Most Secret counter-espionage Organisation in the World

Fake History: 101 Things that Never Happened

The A to Z of British Intelligence