The GCHQ Puzzle Book - GCHQ

Test yourself with the official GCHQ Puzzle Book, the perfect gift for anyone who loves a good head-scratcher'Fiendish . . . as frustrating, divisive and annoying as it is deeply fulfilling' Guardian ----The secrets of the country depend on you.Find out if you’ve got what it takes to be a code breaker?GCHQ’s top-secret codebreakers have always protected the country – from Bletchley Park’s war-ending WWII breakthroughs to saving us all from life-destroying foreign cyberattacks.But what kind of mind... Zobrazit více