Following on from the enormous success of his bestseller, The Secret Life of Bletchley Park, renowned author Sinclair McKay uncovers the
story of what happened after the end of the Second World War

Once victory was declared, many of the individuals who had achieved the seemingly impossible at Bletchley Park by cracking the impenetrable Enigma codes and giving the Allies an invaluable insight directly into the Nazi war machine, moved on to GCHQ. This was the British government’s new facility established to fight a different, but no less formidable foe – Stalin and the KGB.

Fascinating and insightful revelations from deep within the archives of this secret organisation reveal the story of the tumultuous early years of GCHQ as it navigated its way through an era of double agents, deception and betrayals. From the defection of the Cambridge Five and the treachery of the atomic scientist Klaus Fuchs, to the collapse of the British Empire, the ascension of Chairman Mao and the emergence of the US as a superpower, McKay deftly explores the impact these events had on the fledgling organisation.

During the years of the Cold War the men and women of GCHQ penetrated Soviet encryptions and gathered crucial intelligence from all over the world. The Spies of Winter tells the story of the codebreakers themselves and how they used new technology to expand the horizons of cryptography in order to defend the nation and maintain the fragile peace in a world now under the shadow of nuclear holocaust.

About the Author

SINCLAIR MCKAY is the acclaimed author of history and historical true crime including the best-selling The Secret Life of Bletchley Park. HIs previous Aurum titles include Mile End Murder, The Lost World of Bletchley Park, The Secret Life of Fighter Command and The Secret Listeners for Aurum, as well as histories of Hammer films and the James Bond films. He writes features for the Daily Telegraph and the Mail on Sunday and lives in London.

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