Code Cracking for KidsPeople throughout history have written messages in code and ciphers to pass along closely held, secret information. Today, countries around the world enlist cryptanalysts to intercept and crack messages to keep our world safe. Code Cracking for Kids explores many aspects of cryptology, including famous people who used and invented codes and ciphers, such as Julius Caesar and Thomas Jefferson. It delves into codes used during wars, including the Enigma