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Codes and Ciphers
by Sean Callery
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About This Book
ISBN13: 9780061374074 |
Only 1 left in stock at $16.95!
Everything from smoke signals to military encryption devices.
Synopses & Reviews
Publisher Comments:
Everything from smoke signals to military encryption devices.
Codes and Ciphers reveals the development and role of secret communications throughout history and offers practical advice on how to make codes (whether by pencil and paper or by computer) and how to break them!
Inside you will find information on:
- Code-breaking devices
- Hieroglyphics, Native American smoke signals, flags, and semaphore
- Braille, Morse code, and computer language
- Mono- and polyalphabetic letter substitution
- Computer algorithms
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Product Details
- ISBN:
- 9780061374074
- Author:
- Publisher:
- Collins
- Author:
- Author:
- Subject:
- Trivia
- Subject:
- Communication
- Copyright:
- 2008
- Publication Date:
- January 2008
- Binding:
- Paperback
- Language:
- English
- Illustrations:
- Y
- Pages:
- 192
- Dimensions:
- 8.28x6.02x.53 in. .88 lbs.
