Ciphers and Codes

Ciphers and Codes

by Karen Price Hossell
     
 

Learn about ciphers and codes—the tools used to keep a message secret. See how ciphers were used by the patriots in the American Revolutionary War. Find out how to make your own cipher. In this book, you will discover how flag signals and smoke signals work, see how computers use ciphers and codes today, find out how you can break a cipher without a key.

Overview

Learn about ciphers and codes—the tools used to keep a message secret. See how ciphers were used by the patriots in the American Revolutionary War. Find out how to make your own cipher. In this book, you will discover how flag signals and smoke signals work, see how computers use ciphers and codes today, find out how you can break a cipher without a key.

Product Details

ISBN-13:
9781588104847
Publisher:
Heinemann
Publication date:
01/01/2003
Series:
Communicating Series
Pages:
48
Product dimensions:
7.86(w) x 10.82(h) x 0.38(d)
Age Range:
8 - 10 Years

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