LAST Christmas, Penguin published The GCHQ Puzzle Book, a collection of fiendish puzzles devised by Britain’s code-breakers to tease and infuriate their colleagues.
Friday, 17 November 2017
Bletchley Park Brainteasers review: A bit puzzling
LAST Christmas, Penguin published The GCHQ Puzzle Book, a collection of fiendish puzzles devised by Britain’s code-breakers to tease and infuriate their colleagues.
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