
Over 50 Secret Codes
by Emily Bone
Title:
Over 50 Secret Codes
Author:
Emily Bone
Series (if any):
Usborne Puzzles
Format:
Paperback
Number of pages:
112 pages
Publisher:
Usborne Publishing Ltd
ISBN-13:
9781409584612
EAN:
9781409584612
Publication Date:
01/03/2015
Classifications:
Children's and Teenage
Weight (g):
308
Dimensions (mm):
198 x 132 x 9
Publication Country:
United Kingdom
Language:
English
Condition:
New
Description
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.




















