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About the Brand
Since 1941, Dover has been publishing high-quality books at affordable prices in dozens of popular categories: adult coloring books, children activity books, fine art collections, crafts guides, math texts, music scores, thrift editions of classic literature, and much more.
Shop Brand CatalogCodes, Ciphers and Secret Writing
- SKU: 9780486247618
- UPC: 9780486247618
Cipher and decipher codes: transposition and polyalphabetical ciphers, famous codes, typewriter and telephone codes, codes that use playing cards, knots, and swizzle sticks . . . even invisible writing and sending messages through space. 45 diagrams.
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