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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.
TITLE: 50 Secret Codes
AUTHOR: Emily Bone
SKU: 9781409584612
PUBLISHER: Usborne Publishing Ltd
DATE PUBLISHED: 01/03/2015
PLACE PUBLISHED: United Kingdom
PAGES: 112
BINDING: Paperback / softback
LANGUAGE: English
DIMENSIONS: 133 mm x 197 mm x 9 mm
WEIGHT: 190 gr
