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“gchq”

Showing 1 - 2 of 2 results for “gchq”
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  • The GCHQ Puzzle Book

    Perfect for anyone who likes a good headscratcher

    by GCHQ ...
    Sharpen your mind to beat the smartest brains in Britain with the original official GCHQ puzzle bookWould GCHQ recruit you? Pit your wits against the people who cracked Enigma in the official puzzle book from Britain's top secret intelligence and security organisationOver the years, their codebreakers have helped keep our country safe, from the Bletchley Park breakthroughs of WWII to the modern ... Read more

    $14.59 USD

  • The GCHQ Puzzle Book II

    Solve more than 100 brilliant brainteasers

    by GCHQ ...
    Train your brain with these fiendishly difficult puzzles, the perfect companion for anyone wanting to keep their mind busy'Fiendishly tricky' Daily MailWith their first bestselling book, The GCHQ Puzzle Book, the UK's intelligence and security experts tested us with puzzles, codes and real-life entrance tests from their archives.Now, they are back with a NEW collection of head-scratching, mind ... Read more

    $14.59 USD