Overview

The brain-busting follow up from the UK's finest code-breakers and puzzle solvers at GCHQ, now available in a handy paperback GCHQ 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 found themselves occasionally stumped with the first book, there will be even more starter puzzles to get those brains warmed up. Puzzle aficionados, meanwhile, can test themselves to the limit with an 'Even Harder' section. In celebration of GCHQ's over 100-year legacy the puzzles will be structured around vignettes of its history direct from the archives. providing exclusive snapshots into the organisation that keeps up all safe, making it a book to treasure.

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9781405970501

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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

Author Information

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

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