Mysterious Messages pdf epub mobi txt 电子书下载 2024

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Blackwood, Gary

2009-10

170

134.00元

9780525479604

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发表于2024-09-22

Mysterious Messages epub 下载 mobi 下载 pdf 下载 txt 电子书下载 2024

Mysterious Messages pdf epub mobi txt 电子书下载 2024

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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!

Mysterious Messages 下载 mobi epub pdf txt 电子书