fun for beginners...
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Very well written. This book offers an introduction to "crypto-stuff" such as mono/polyalphabetic substitutions and grille methods. It doesn't go into much of anything else in huge detail, but it offers many methods including "how to build" your own encoding/decoding tools. If you're looking for some fun reading, I highly recommend it. If you're serious about learning though, check out "the code breakers" by kahn.
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Very educational, practical introduction to codes & ciphers
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This is a fascinating introductory book about codes and ciphers. It is very readable and understandable for young adults and older. Anyone who is interested in codes and ciphers will like, and want to own this book.
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United States | 
United Kingdom | 
Canada