The GCHQ Puzzle Book

A unique book of puzzles from British intelligence organisation GCHQGCHQ is a top-secret intelligence and security agency which recruits some of the very brightest minds. Over the years, their codebreakers have helped keep our country 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. Now they're opening up their archives of decades' worth of codes, puzzles and challenges for everyone to try.

“WINNER OF STOCKING FILLER OF THE YEAR AWARD - - THE GUARDIAN”

A fiendish work, as frustrating, divisive and annoying as it is deeply fulfilling: the true spirit of Christmas Guardian
Surely the trickiest puzzle book in years. Crack these fiendish problems and Trivial Pursuit should be a doddle Daily Telegraph
Ideal for the crossword enthusiast Daily Telegraph
An explosion of a puzzle collection, too, with hundreds of questions and loads of peripheral material, including captioned photographs and history of twentieth-century British encryption, featuring the work of Alan Turing The Times Literary Supplement
This isn't your grandfather's Sudoku book. Rather, it's a puzzle compendium put together by the organisation that made the Bletchley Park breakthroughs - quizzes, bewilderments and brainteasers to challenge even the sharpest of minds The Gentleman's Journal
WINNER OF STOCKING FILLER OF THE YEAR AWARD THE GUARDIAN

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 Back Cover Copy If 3=T, 4=S, 5=P, 6=H, 7=H... what is 8? What is the next letter in the sequence: M, V, E, M, J, S, U, ? Which of the following words is the odd one out: CHAT, COMMENT, ELF, MANGER, PAIN, POUR GCHQ is a top secret service run by the very brightest minds. Over the years their codebreakers have protected our country, from the Bletchley Park breakthroughs of WWII to the modern day challenges faced from cyber-crime. 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 members, or challenging each other to the toughest pub quizzes imaginable, puzzles are at the heart of what GCHQ does. Now they're opening up their archives of decades-worth of codes, puzzles and challenges for everyone to try. In this book you will find: - Tips on how to get into the mind-set of a codebreaker - Puzzles ranging in difficulty from easy to brain-bending - A competition section where we search for Britain's smartest puzzler - Challenges that have never been solved

This item is eligible for free returns within 30 days of delivery. See our returns policy for further details.