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The GCHQ puzzle book 2.

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GCHQ is a top-secret intelligence and security agency which recruits some of the very brightest minds.

Over the years, their codebreakers have helped keep our country safe, from the Bletchley Park breakthroughs of WWII to the modern-day threat of cyberattack.

So it comes as no surprise that, even in their time off, the staff at GCHQ love a good puzzle.

The follow-up to 'The GCHQ Puzzle Book', this new collection of brain-bending challenges is sure to leave readers pondering for hours.

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Product Details
Michael Joseph
0241365457 / 9780241365458
eBook (EPUB)
793.73
18/10/2018
England
English
386 pages
Copy: 10%; print: 10%
Description based on CIP data; resource not viewed.