Behind the celebrated code-breaking at Bletchley Park lies another secret… The men and women of the ‘Y’ (for Wireless’) Service were sent out across the

A history of the elaborate and brilliantly sustained World War II intelligence operation by which Hitler’s generals were tricked into giving away vital Nazi s

As seen on pbs and Channel 4 documentary "Spying on Hitler's Army"...This is the story of the German émigrés who fled Hitler's regime and became secret listen

"Monumental." --New York Times Book Review NEW YORK TIMES BESTSELLER From one of the foremost historians of the period and the acclaimed author of Inferno and C

Bletchley Park was where one of the war’s most famous – and crucial – achievements was made: the cracking of Germany’s “Enigma” code in which its mo