A groundbreaking history of women in British intelligence, revealing their pivotal role across the first half of the twentieth century. From the twentieth century onward, women took on an extraordinary range of roles in intelligence, defying the co...

Thomas Kendrick (1881-1972) was central to the British Secret Service from its beginnings through to the Second World War. Under the guise of "British Passport Officer", he ran spy networks across Europe, facilitated the escape of Austrian Jews, and...

When Allied fighters were trapped behind enemy lines, one branch of military intelligence helped them escape: MI9. The organization set up clandestine routes that zig-zagged across Nazi-occupied Europe, enabling soldiers and airmen to make their way...

At the outbreak of World War II, MI6 spymaster Thomas Kendrick arrived at the Tower of London to set up a top secret operation: German prisoners' cells were to be bugged and listeners installed behind the walls to record and transcribe their private...

Behind the locked doors of three mansions in London's exclusive Kensington Palace Gardens neighborhood, the British Secret Service established a highly secret prison in 1940: the London Cage. Here recalcitrant German prisoners of war were subjected t...