Showing results for "Book of Codes" in History

Discover World War 2's hidden heroes and villains. Spies, Code Breakers, and Secret Agents explores the intriguing world of spycraft and shows you what goes on behind the scenes in war. From spy schools and ciphers to sneaky tools and secret armies, this guide takes you on a declassified tour of the undercover operations that helped decide the outcome of World War 2. There's also more than a dozen short spy-ographies that cover some of the most famous (and infamous!) agents that were active during the war.

One of the founders of US cryptology who would eventually become one of the world’s greatest code breakers, Elizebeth Smith Friedman (1892-1980) was a brilliant mind behind many important battles throughout the 20th century, saving many lives through her intelligence and heroism. Whip-smart and determined, Elizebeth displayed a remarkable aptitude for language and recognizing patterns from a young age.

Learn how this heroic group of American Indian men created a secret, unbreakable code and helped the US win major battles during World War II in this new addition to the #1 New York Times bestselling series. By the time the United States joined the Second World War in 1941, the fight against...

History's amazing secrets and codes—and how to crack them yourself. This fascinating look at history's most mysterious messages is packed with puzzles to decode and ciphers that kids can use themselves. Here are the encrypted notes of Spartan warriors, the brilliant code-crackers of Elizabeth...

In the South Pacific in 1944 and 1945, military battles raged between the United States and Japan. Surrounded by rattling bullets and exploding bombs, a group of Navajo Marines sent secret messages back and forth. They used a code they had created from the Navajo language, a code the enemy was never able to crack. These young men had been recruited from their homes in the American Southwest. They brought with them incredible physical stamina and a language that had never been written down.