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| #420202 in Books | 2016-12-13 | 2016-12-13 | Format: International Edition | Original language:English | PDF # 1 | 9.17 x1.21 x5.99l, | File type: PDF | 368 pages||1 of 1 people found the following review helpful.| Five Stars|By Bay Ehrman|This book is so hard but we're loving the challenge!|0 of 0 people found the following review helpful.| Five Stars|By Bay Ehrman|This book is so hard but we're loving the challenge!|1 of 1 people found the following review helpful.| A challenge from the start.!||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 t
** WINNER OF 'STOCKING FILLER OF THE YEAR AWARD' GUARDIAN ** Pit your wits against the people who cracked Enigma in the official puzzle book from Britain's secretive intelligence organisation, GCHQ. '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 If 3=T, 4=S, 5=P,...
You can specify the type of files you want, for your device.The GCHQ Puzzle Book | GCHQ. A good, fresh read, highly recommended.