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 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.
The title will feature 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!
- ISBN10 0750298855
- ISBN13 9780750298858
- Publish Date 13 October 2016
- Publish Status Out of Print
- Out of Print 5 March 2021
- Publish Country GB
- Publisher Hachette Children's Group
- Imprint Wayland
- Format Hardcover
- Pages 32
- Language English