TY - BOOK AU - Adams,Simon AU - Chrisp,Peter TI - CODE BREAKERS: RIVETING READS FOR CURIOUS KIDS T2 - MEGA BITES SN - 9780241526583 U1 - 652.8 23 PY - 2021/// CY - London PB - Dorling Kindersley Limited KW - Cryptography KW - Juvenile literature KW - Cryptographers KW - Ciphers N1 - Includes index; "First published in Great Britain in 2002 by Dorling Kindersley Limited; For ages 9-11 years N2 - Codes have been used for thousands of years as a way of hiding important secrets and sending mysterious messages. They are the best way of sending messages covertly and keeping information safe from enemies or nosy siblings! Learn about the fiendishly clever codes and ciphers that have been invented over the years and how even cleverer people have cracked them. Become an expert in cryptology as you follow the stories of famous codebreakers and their place in history.Codebreakers is part of the Mega Bites series, which uncovers the secrets of history, science, and the natural world. Investigate the most complicated thing in the universe - your Brain; then journey to the most mysterious as we dive into a Black Hole; and closer to home, marvel at the genius of the world's smartest Codebreakers! Whichever title you pick, you'll get the expert knowledge and fun facts you need on each topic, with every ebook including illustrations, fun stories, and anecdotes ER -