Code-cracking skills can be put to the test in this entertaining book which teaches children how to write and decode secret messages. Includes Semaphore and Morse code, the Grid code used in the American Civil War, Egyptian hieroglyphics, number replacement and alphabet switching codes and more. Each page features a different type of code, with an explanation of how it works and a practice code to crack. All answers are available at the back of the book.
This is Book 1 in the Usborne Puzzles Series. See all Usborne Puzzles books here.
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Emily Bone is a published author of children's books. She has published Cowboy Things to Make and Do and 50 Secret Codes.
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