The Top Secret History of Codes and Code Breaking
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Book Overview
Explore the history of codes from The Haircut Code, used by the Persians to convey messages in war, to Ancient Hebrew ciphers, pictorial codes of the Egyptians and Mayans to letter codes in ancient Rome and substitution ciphers used in Tudor England when the execution of Mary, Queen of Scots was being planned. Find out about modern-day codes, such as tennis players Laura Robson and Heather Watson's 'back slang' when playing doubles and computer codes in the 21st century including the safety of passwords. This book features strange-but-true facts that are real-life extraordinary stories of codes and their code breakers and 'Code Cracker' practical activities show how you can build or solve your own codes!
Format:Paperback
Language:English
ISBN:0750298847
ISBN13:9780750298841
Release Date:May 2018
Publisher:Wayland
Length:32 Pages
Weight:0.62 lbs.
Dimensions:0.2" x 7.4" x 9.6"
Age Range:9 to 11 years
Grade Range:Grades 4 to 6
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