STEP ASIDE MURDLE BECAUSE GCHQ ARE BACK WITH EVEN MORE BRAIN-BENDING PUZZLES TO PUT YOUR WITS TO THE TEST

Now a pocket-sized paperback, The GCHQ Puzzle Book II is the ideal present for armchair code-breakers and amateur cryptographers alike

Fiendish, frustrating, annoying, fulfilling Guardian

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The spooks at GCHQ need your help again.

Can you break these fiendish codes and prove youre a master puzzler?

The defence of the realm depends on GCHQ. And these fiendish puzzles and tests are how they test the best. Have you got what it takes in this second round of brain-bogglers?

Inside youll find puzzles to develop:

- Lateral thinking and ingenuity
- Skills to spot patterns
- Your ability to break ciphers
- A mindset to tackle authentic entrance tests

Keeping the country safe in secret since 1919, GCHQ is always on the look out for new recruits. Discover if youve got the kind of incredible, puzzle-solving mind to work there . . .

ENJOY THESE TWO TEASERS

Can you see how the following words are connected?
Chuckle, Double, Euro, Pro, Stereo, Super, Tunnel

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If Groundhog Day is 1, Bastille Day is 2, Valentines Day is 7, then Halloween is?

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An explosion of a puzzle collection The Times Literary Supplement