This collection of 140 intriguing and challenging codebreaking puzzles are produced in association with the Bletchley Park Trust.
Follow in the footsteps of World War II codebreakers and decode the encrypted messages within.
- Logical reasoning
- Encryption word problems
- Logic grids
- Designed with a retro 1940s cover evoking wartime Britain, this delightful book would make a wonderful gift.
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