Description
Puzzles are at the heart of what GCHQ does. Now they're opening their archives of codes, puzzles and challenges for everyone to try in the privacy of their own home. Discover tips on how to get into the mindset of a codebreaker, hundreds of puzzles ranging from easy to fiendish, and a competitive search for Britain's smartest puzzler. Republished in a smaller format.
Details
  • Author: Penguin Books
  • Publisher: Penguin Books Ltd
  • Format: Paperback
  • Publication Date: 05/09/2024
  • ISBN: 9781405970518
  • B-Code: B073977
  • Illustrated:
  • Pages: 368
  • Dimensions: 198x129mm
Size