Codes, Ciphers and Secret Writing - Martin Gardner - Dover Children's Activity Books

Codes, Ciphers and Secret Writing by Martin Gardner explores cryptography, the science of secret writing. This paperback sits within the Dover Children’s Activity Books series.

Key details

• Author: Martin Gardner
• Series: Dover Children’s Activity Books
• Format: Paperback
• Pages: 96
• Publisher: Dover Publications Inc
• Publication date: 28 March 2003

Synopsis

Designed for hands-on experimentation, this activity-led guide invites readers to cipher and decipher a wide range of codes, from transposition and polyalphabetical ciphers to well-known historical examples. It also looks at inventive approaches including typewriter and telephone codes, plus methods that use playing cards, knots and even swizzle sticks.

Alongside invisible writing and the idea of sending messages through outer space, the book offers hours of puzzles and problem-solving, supported by 45 diagrams. Suitable for readers interested in practical code-making and decoding activities.

Rackhams Reference : 31TZQ168LK