Fun with Secret Writing

(Code: 9780486420981)
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Fun with Secret Writing
Fascinating, easy-to-understand book for would-be cryptanalysts of all ages teaches how to invent and decipher a host of codes and secret messages, including the 'Moving Ahead' cipher used by Julius Caesar in his secret dispatches; dots and pinpricks, as used by the secret Rosicrucian society; and even a system used by Sherlock Holmes involving open spaces between important words. Includes stimulating brain-teasing projects that include all the codes described in the book. 14 b/w illus.

Illustrations: -
Author: Lamb
Size: -
Format: Book
Copyright: -
ISBN 13: 9780486420981

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