- Published: 3 December 2024
- ISBN: 9781405970501
- Imprint: Michael Joseph
- Format: Paperback
- Pages: 384
- RRP: $37.99
The GCHQ Puzzle Book II
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- Published: 3 December 2024
- ISBN: 9781405970501
- Imprint: Michael Joseph
- Format: Paperback
- Pages: 384
- RRP: $37.99
The fiendishly difficult puzzle book is back. This is the perfect gift to fuel his ludicrous presumption that he could have definitely been a spy - even better if he's already dog-eared the first version
Huffington Post
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