The Codebreaker's Handbook

Herbie Brennan
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ISBN 9780571224616 Format Paperback
Published 06/04/2006 Length 144 pages

About Book

A must-have book for secret agents in the making.

Ever wondered how to make and crack codes and ciphers? Herbie Brennan's essential guide contains everything a serious cryptographer and code-buster needs, including:

- Codebreaking methods, examples and tests
- How to develop complex ciphers
- Tools for encrypting messages, from invisible ink to computer pixels
- A history of how codes and ciphers have developed, taking in the ancient Greeks, the Kama Sutra, the Enigma machine and computer ciphers

And much, much more!

Contains black-and-white illustrations throughout.

  • About Herbie Brennan

    Herbie Brennan began a journalistic career at age eighteen and at twenty-four became the youngest newspaper editor in his native Ireland. He is now a full-time writer of fact and fiction for both adults and children, with several international bestsellers to his name. Combined sales of his books have passed seven million copies, and his work has appeared in more than fifty countries. He lives with his wife and eight cats in an old rectory in Ireland.

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