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  • Puzzles for Spies: The Brand-New Puzzle Book from Gchq by Gchq
    Gchq

    Puzzles for Spies: The Brand-New Puzzle Book from Gchq

    Can you think like a spy? Then we have a top secret challenge for YOU . . . For over one hundred years, GCHQ (or the Government Communications Headquarters) has worked in secret to gather information and solve the toughest of problems to help...
    $21.99
    $21.99
    $21.99
  • The Gchq Puzzle Book II by Gchq
    Gchq

    The Gchq Puzzle Book II

    The GCHQ team's second puzzle book - full of both harder and easier brain teasers - is the perfect gift for anyone who loves a challenge.'This is the perfect gift to fuel his ludicrous presumption that he could have definitely been a spy -...
    $33.99
    $33.99
    $33.99

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