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The Book of Codes: Understanding the World of Hidden Messages: An Illustrated Guide to Signs, Symbols, Ciphers, and Secret Languages by Paul Lunde

The Book of Codes: Understanding the World of Hidden Messages: An Illustrated Guide to Signs, Symbols, Ciphers, and Secret Languages

Paul Lunde

288 pages • first pub 2009 (editions)

nonfiction history reference science challenging informative slow-paced
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