MI6: British secret intelligence service operations 1909-45

A detailed history of SIS’s prewar and wartime activities, covering virtually all the overseas stations, listing its officers, agents, internal structure and budget, MI6 discloses numerous successes and failures, including the revelation that Admiral Canaris’s mistress, Halina Szymanska, was run by SIS’s Berne Station.
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The Secret intelligence Service was created in 1909 and this comprehensive account covers the organisation’s history throughout both world wars, describing in hithero unpublished detail clandestine operation conducted under the direction of the first three Chiefs: Captain Mansfield Smith-Cumming, Admiral Hugh Sinclair and Colonel Stewart Menzies. The names of hundreds of intelligence officers and their agents are identified, together with previously undisclosed documents revealing the scale of the semi-transparent network of Passport Control Offices which stretched across the globe, enabling SIS personnel to conduct espionage.

The silver Gestapo warrant forged by MI6 to help Hans Bernd Gisevius escape to Switzerland from Berlin after the failure of the bomb plot to kill Hitler on 20 July 1944.


‘This extraordinary book does for MI6 what Mr West did for MI5, the internal security service, in a controversial history…In both of them the reader is presented with dozens, possibly hundreds of names of intelligence officers and agents, details of major intelligence operations with code-names and case histories, organizational charts and much mores besides’
Daily Telegraph, London

‘Excellent and painstaking work…’
North Devon Journal Herald

‘A must…’
The Irish Times

“Authentic history more vivid than most fiction”
Contemporary Review