- Paperback: 368 pages
- Publisher: Michael Joseph (20 Oct. 2016)
- Language: English
- ISBN-10: 0718185544
- ISBN-13: 978-0718185541
- Product Dimensions: 15.2 x 3.1 x 23.3 cm
- Average Customer Review: 4.8 out of 5 stars See all reviews (210 customer reviews)
- Amazon Bestsellers Rank: 16 in Books (See Top 100 in Books)
The GCHQ Puzzle Book Paperback – 20 Oct 2016
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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)
Pit your wits against the people who cracked Enigma in the official puzzle book from Britain's secretive intelligence organisation, GCHQ. (from the publisher's description)
From the Publisher
Pit your wits against the people who cracked Enigma in the official puzzle book from Britain's secretive intelligence organisation, GCHQ. (from the publisher's description)See all Product Description
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Top Customer Reviews
|Length: 2:53 Mins|
Unless you are a top puzzle solver I suggest that you may find these puzzles too difficult, now go solve them all and prove me wrong!
I suggest this book to "ground" anyone smart enough to like complex puzzles, as well as to anyone that enjoys encryption. Fantastic of GCHQ to produce this book, thanks!
Most Recent Customer Reviews
bought for my grandmother as a gift as she loved the GCHQ puzzles that were in the newspapers. some of the puzzles are a little tricky but she loves it! Read morePublished 1 day ago by juniorsenior
Apparently I am not as clever as I thought I was. But that's OK.Published 1 day ago by Amazon Customer
This book is a must for anyone who loves difficult puzzles. They range from fairly simple to very, very difficult.
Fortunately, it does have the answers in!! :-)
Not had time for a proper good look yet, but a skim through looks to have a very varied content.Published 2 days ago by David B.