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  • Published: 5 November 2019
  • ISBN: 9780593163917
  • Imprint: RH US Audio Childrens
  • Format: Audio Download
  • RRP: $23.00

Mysterious Messages: A History of Codes and Ciphers

A History of Codes and Ciphers

  • Gary Blackwood



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 I, secret messages of the American Revolution, spy books of the Civil War, the famous Enigma Machine, and the Navajo code talkers. As computers change the way we communicate, codes today are more intriguing than ever.

From invisible ink to the CIA, this exciting trip through history is a hands-on, interactive experience—so get cracking!

  • Published: 5 November 2019
  • ISBN: 9780593163917
  • Imprint: RH US Audio Childrens
  • Format: Audio Download
  • RRP: $23.00

Praise for Mysterious Messages: A History of Codes and Ciphers

Praise for Mysterious Messages:
"Readers with Something To Hide will come away...with not only some new tools, but a great appreciation for the central role codes and ciphers have played in wars and diplomacy through the years." --Kirkus

"[An] excellent narrative history of cryptography." --School Library Journal