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Product Details
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Product Description
Product Description
"A fascinating, challenging book." — A. L. A. Booklist. Experiment with cryptography — the science of secret writing. 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 outer space. Hours of intrigue and challenge. 45 diagrams.
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Most helpful customer reviews
1 of 1 people found the following review helpful
3.0 out of 5 stars
Still Good,
By
Ce commentaire est de: Codes, Ciphers and Secret Writing (Paperback)
This book is a little out of date and a little too basic. It is for the beginner and is not an advanced text. The best thing that it is short. Because it is so short, it had to be packed densely with information, no wordiness. I've never had enough time to read The Codebreakers book, too big. Here I got informed in minimal time and the book is much less expensive -- it's got a better cost to read ratio and cost to information ratio.
4.0 out of 5 stars
Good basic codes, great for beginners.,
By M.B. (Mountain View, CA USA) - See all my reviews
Ce commentaire est de: Codes, Ciphers and Secret Writing (Paperback)
This is a great reference of basic codes. Excellent explanations, examples. Don't expect anything too intense, and you won't be disappointed.
3.0 out of 5 stars
fun for beginners...,
Ce commentaire est de: Codes, Ciphers and Secret Writing (Paperback)
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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