Published: 20th October 2016
Publisher: Penguin Books Ltd
“WINNER OF ‘STOCKING FILLER OF THE YEAR AWARD” The 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.” The Guardian
“Surely the trickiest puzzle book in years. Crack these fiendish problems and Trivial Pursuit should be a doddle.” The Daily Telegraph