Over 50 Secret Codes
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Description for Over 50 Secret Codes Paperback. Children love to learn secret codes and write encrypted messages and this book will teach them everything they need to know, including Semaphore and Morse code, "Grid code" used in the American Civil War, Egyptian hieroglyphics and traditional number replacement and alphabet switching codes. Illustrator(s): Meredith, Sam. Num Pages: 112 pages, full colour illustrations throughout. BIC Classification: 5AG; YNG. Category: (JC) Children's (6-12). Dimension: 201 x 131 x 9. Weight in Grams: 192.
Usborne Publishing Ltd
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