Top 6 Best British Intelligence

Secret Wars: One Hundred Years of British Intelligence Inside MI5 and MI6

Inside British Intelligence: 100 Years of MI5 and MI6

British Intelligence in the Second World War Vol II (HMSO Official Histories Book 2)

Secret Agent 666: Aleister Crowley, British Intelligence and the Occult

British Naval Intelligence through the Twentieth Century

British Intelligence in World War II Vol V: Strategic Deception

The Spy Who Came In From the Co-op: Melita Norwood and the Ending of Cold War Espionage (History of British Intelligence, 2)

The Lawn Road Flats: Spies, Writers and Artists (History of British Intelligence, 3)

British Intelligence in the Second World War: Its Influence on Strategy and Operations: v. 2 (History of the Second World War)

British Security Coordination: The Secret History of British Intelligence in the Americas, 1940-1945