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The GCHQ Puzzle Book II (Paperback)

GBP 10.99

RRP: £12.99


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If FT=GD and SD=SR,then what is TD?

Arrange in a different logical order:

You don't need to be a quiz champion, a member of Mensa, or even in the secret service - unravelling these puzzles requires simple patience. Step into the mind of a code-breaker as you learn to spot formulas, patterns and cyphers - the answers are always within the questions themselves . . . and at the back of the book.

In celebration of GCHQ's 100th year, these brain-bending puzzles are peppered with historical vignettes and never-seen-before snapshots from the organisation's incredible history; stretching further back than Bletchley Park and delving deeper into decoding than we've ever seen before.

Can you unravel the mysteries that face the incredible minds at GCHQ? It's easy, when you know how.


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