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The Top Secret History of Codes and Code Breaking by Roy Apps (Paperback, 2018)

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11: The Enigma Machine. He is the author of the highly successful Dream to Win series for Franklin Watts. Roy writes extensively for radio, theatre and TV. 1: Why We Need Codes [Shhh! It's a secret!].

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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!