Games of Intelligence, The Ultra Spy and Churchill’s Secret Agent, Codename ‘Jay Bee’

Nigel West is the pseudonym for Rupert Allason, a conservative MP for the Home Counties who has written a number of popular but controversial histories of Britain’s intelligence and security organizations. He also has written a spy novel.
Camp X: Canada’s School for Secret Agents, 1941-45

David Stafford has produced an interesting, scholarly and seemingly authoritative history of Camp X, a British training camp for saboteurs, spies and guerilla fighters, set up and operated by the British near Whitby, Ontario, between 1941 and 1946.