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Conundrum

Crack the Ultimate Cipher Challenge!

Brian Clegg

This collection of 200 tricky cipher-based puzzles is divided into 20 levels that focus on themes including literature, politics and technology. The puzzles build to a solution that can be obtained only when each level has been unlocked. No answers are provided, but hints appear at the back of the book and an introduction covers the principles of different cipher-types.
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Product information:
  • Publisher: Icon
  • Year: 2019
  • Format: Paperback
  • Pages: 336pp
  • Illustrated: Yes
  • Dimensions: 196x128mm
  • ISBN: 9781785784101
  • Condition: New
  • Weight: 0.3kg
Product code:
517561
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