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

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

Historical Dictionary of Ian Fleming's World of Intelligence: Fact and Fiction

Classified!: The Adventures of a Molehunter

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

Historical Dictionary of British Intelligence: Edition 2

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

Encyclopedia of Political Assassinations

Spies Who Changed History: The Greatest Spies & Agents of the 20th Century

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

Historical Dictionary of Cold War Intelligence

Fake History: 101 Things that Never Happened

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

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

Happy Odyssey

Secret War: The Story of SOE, Britain's Wartime Sabotage Organisation

The Splendid and the Vile: A Saga of Churchill, Family, and Defiance During the Blitz