Over 50 Secret Codes
by Emily Bone
Over 50 Secret Codes
by Emily Bone
Paperback
Currently not available.
Contact us for further queries.About the Book
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.
All Editions
Paperback, 4th Edition
ISBN13: 9781409584612
Usborne, 2015
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