Codes, Ciphers and Secret Writing (Dover Childrens Activity Books)


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Aug 11, Will rated it liked it Shelves: own. I bought this book for my kids, who enjoy cryptography written, not computer yet. I had a few hours to kill at the Las Vegas airport, so I read the whole thing in one sitting. It is only about pages, and the material is very familiar to me. Even though the book was written in , it is a good introduction to the basics; transposition ciphers, substitution ciphers, mono and poly alphabet ciphers, invisible ink, cryptographic "machines", and even a final chapter on making writing easier to I bought this book for my kids, who enjoy cryptography written, not computer yet.

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Even though the book was written in , it is a good introduction to the basics; transposition ciphers, substitution ciphers, mono and poly alphabet ciphers, invisible ink, cryptographic "machines", and even a final chapter on making writing easier to read e. Jul 25, Sonia Focke rated it really liked it. This book is obviously written for children. It is also from , so there is almost nothing on computer ciphers and you can imagine how current that little is!


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  5. But it is a wonderful introduction to the world of ciphers, with examples for the best-known transposition, substitution and simple code-machines and how they work. It really is a great introduction, with a little bibliography at the end for those who want to know more. DON'T expect a detailed history of the ciphers. Gardner occasional This book is obviously written for children. Gardner occasionally gives an example of a historical use, or one in fiction such as the famous Dancing Man cipher from Sherlock Holmes , but his main aim is to show how they work, and he does this clearly and competently.

    My only quibble is the obvious American-centric view in the examples chosen for example, the Japanese cipher machine is mentioned, because the Americans cracked it, but not ENIGMA and the very dated references to the Soviet Union not just the name - after all, that's what it was called back then - but the way it is mentioned. Cold war spy stuff. I am seriously thinking of getting a book he mentioned, The Codebreakers, for a more in-depth view of the history of codes and ciphers, but I definitely recommend this for a first dip into this fascinating world.

    Nov 12, Koen Crolla rated it really liked it Shelves: cryptography. This book was written in If you're the type This book was written in If you're the type of person who enjoys newspaper cryptograms or being in a secret society with your year-old friends you'll enjoy this book, but even those who enjoy the more heavy-duty classical cryptanalysis will find it lacking—the cipher-breaking discussion is aimed at people who have access to a pencil and some scrap paper rather than a computer that can calculate an index of coincidence on a whim.

    For obvious reasons. Feb 08, Martin rated it liked it. This is a great primer for codes and ciphers. This book perfectly whets one's appetite for more on the subject.

    Great for Cub Scouts! This book can help you keep almost everything secret. There are more than twenty-five different ways to speak, flash, whistle, whittle and embroider secret messages. In Cub Scouts the cubs learn a few different codes and ciphers, but this book will really fill out their knowledge with many more codes to learn.

    Plus in this book you will find hints for making up your own codes and ciphers.

    ISBN 13: 9780486247618

    You can make devices for encoding and decoding and recipes for invisible ink and methods of inkless writing. Love it. Format: 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.

    Cryptography: The Science of Making and Breaking Codes

    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. One person found this helpful. Very well written. 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.

    Codes, Ciphers and Secret Writing - Martin Gardner - Google книги

    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. This is a great reference of basic codes. Excellent explanations, examples. Don't expect anything too intense, and you won't be disappointed.

    Codes, Ciphers and Secret Writing (Dover Childrens Activity Books)
    Codes, Ciphers and Secret Writing (Dover Childrens Activity Books)
    Codes, Ciphers and Secret Writing (Dover Childrens Activity Books)
    Codes, Ciphers and Secret Writing (Dover Childrens Activity Books)
    Codes, Ciphers and Secret Writing (Dover Childrens Activity Books)
    Codes, Ciphers and Secret Writing (Dover Childrens Activity Books)

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