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The brain-busting follow up from the UK's finest code-breakers and puzzle solvers at GCHQ The first book from GCHQ took the UK by storm as the leading intelligence and security experts tested us with puzzles, codes and challenges from their top-secret archives. Now, they are back with a new collection of head-scratching, mind-boggling and brain-bending puzzles that will leave readers pondering for hours. For those who often found themselves stumped with the first book, there will be even more starter puzzles to get those brains warmed up. Puzzle aficionados needn't worry either as there will also be an 'Even Harder' section to test them to their limits. In celebration of GCHQ's centenary in 2019 the puzzles will be structured around vignettes of history from the organisation's archives. These will give exclusive snapshots into the organisation that keeps up all safe, making it a book to treasure.

Details

ISBN13: 9780241365434
Format: Paperback / softback
Number of Pages: 384
Edition:
Publication Date: 18 Oct 2018
Publisher: Penguin Books Ltd
Publication City, Country: London, United Kingdom
Dimensions (cm): 23.4(H) x 15.3(W) x 3(S)593
Weight (gm): 593

Author Biography

GCHQ (Government Communications Headquarters) is a signals intelligence and cyber security organisation whose mission is to keep Britain safe from terror attacks and cybercrime.

Reviews

This isn't your grandfather's Sudoku book. Rather, it's a puzzle compendium put together by the organisation that made the Bletchley Park breakthroughs - quizzes, bewilderments and brainteasers to challenge even the sharpest of minds * The Gentleman's Journal *
The fiendishly difficult puzzle book is back. This is the perfect gift to fuel his ludicrous presumption that he could have definitely been a spy - even better if he's already dog-eared the first version * Huffington Post *
The GCHQ Puzzle Book II
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