Fun with Secret Writing

Overview

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; dots and pinpricks, as used by the secret Rosicrucian society; and even a system used by Sherlock Holmes. 14 black-and-white illustrations.

Examines a number of different ways of writing secret messages, including using invisible ink and a variety of ciphers. ...

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Overview

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; dots and pinpricks, as used by the secret Rosicrucian society; and even a system used by Sherlock Holmes. 14 black-and-white illustrations.

Examines a number of different ways of writing secret messages, including using invisible ink and a variety of ciphers. Provides suggestions and aids for code-breaking.

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Product Details

Table of Contents

Terms Used in This Book
Moving Ahead
Using a Key Letter
Five-Letter Words
Secrets of a Bishop
Around and Around
Secrecy in Numbers
Dots and Pinpricks
The Ticktacktoe Cipher
Open Spaces
The Crossword Grill
Pretty Patterns
The Revolving Circle
Secret Inks
Code-Breaking
Aids to Code-Breaking
Practice Activities
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