Perfect for anyone who likes a good headscratcher

The GCHQ Puzzle Book

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 
 
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 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 does it take to work there? And do you have the brain power, cunning and resourcefulness to pit your wits against them and win? Here, taken from their archives, are decades of codes, puzzles and challenges for everyone to try. 
You’ll discover: 
- Tips on how to get into the mind-set of a codebreaker- Puzzles ranging in difficulty from easy to brain-bending- Challenges that have never been solved 
 - Insight into the organisation's top secret history dating back to 1919 
 
 The security of the country is at stake. 
What are you waiting for? Get cracking! 
 
 
 ENJOY THESE TWO TEASERS 
 What follows Vienna, Brussels, Prague, Copenhagen, Tallinn, Helsinki, Athens, ? 
 
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 If 1000110 is MINGLE and 1000110001100 is APE, what string of digits is POLITE? 
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 'Ideal for the crossword enthusiast' Daily Telegraph

GCHQ (Government Communications Headquarters) is a signals intelligence and cyber security organisation whose mission is to keep Britain safe from terror attacks and cybercrime.

GCHQ is a top-secret intelligence and security agency which recruits some of the very brightest minds. Over the years, their codebreakers have helped keep Britain safe, from the Bletchley Park breakthroughs of WWII to the modern-day threat of cyberattack. So it comes as no surprise that, even in their time off, the staff at GCHQ love a good puzzle. Whether they're recruiting new staff or challenging each other to the toughest Christmas quizzes and treasure hunts imaginable, puzzles are at the heart of what GCHQ does. Here in this book they open up their archives to share decades' worth of codes, puzzles and challenges for everyone to try.

The brand-new puzzle book from GCHQ, with a foreword from the Prince and Princess of Wales

Puzzles for Spies

*Featuring an introduction from Their Royal Highnesses, the Prince and Princess of Wales!* 
 
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) have worked in secret to gather information and solve the toughest of problems to help keep the people of the UK safe and secure. 
 
We are analysts, linguists, engineers, mathematicians, programmers, codebreakers, and lots more - all working together in brilliant teams to solve seemingly impossible problems. 
 
At GCHQ, we solve puzzles every day . . . and we're giving you a rare glimpse into our world, by setting you a top secret mission: solve problems and break codes that could befuddle the cleverest codebreaker. 
 
From codes and brainteasers to word riddles to language puzzles, there is something for everyone. So grab your friends and family and see how bringing together a mix of minds can solve anything.

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) have worked in secret to gather information and solve the toughest of problems to help keep the people of the UK safe and secure. 
 
We are analysts, linguists, engineers, mathematicians, programmers, codebreakers, and lots more - all working together in brilliant teams to solve seemingly impossible problems. 
 
At GCHQ, we solve puzzles every day . . . and we're giving you a rare glimpse into our world, by setting you a top secret mission: solve problems and break codes that could befuddle the cleverest codebreaker. 
 
From codes and brainteasers to word riddles to language puzzles, there is something for everyone. So grab your friends and family and see how bringing together a mix of minds can solve anything. 
 
From codes and brainteasers to word riddles and language puzzles, there is something for everyone in a book that challenges you to find out what sort of spy you could be.

GCHQ

GCHQ are back with a new collection of head-scratching, mind-boggling and brain-bending puzzles that will leave readers pondering for hours. 
 
For those who found themselves occasionally stumped with the first book, there will be even more starter puzzles to get those brains warmed up. Puzzle aficionados, meanwhile, can test themselves to the limit with an 'Even Harder' section. 
 
In celebration of GCHQ's over 100-year legacy the puzzles will be structured around vignettes of its history direct from the archives. providing exclusive snapshots into the organisation that keeps up all safe, making it a book to treasure.

GCHQ

The GCHQ Puzzle Book II

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