
Codes, Ciphers and Secret Writing
by Martin Gardner
Title:
Codes, Ciphers and Secret Writing
Author:
Martin Gardner
Series (if any):
Dover Children's Activity Books
Format:
Paperback
Number of pages:
96 pages
Publisher:
Dover Publications Inc.
ISBN-13:
9780486247618
EAN:
9780486247618
Publication Date:
28/03/2003
Classifications:
Linguistics
Weight (g):
248
Dimensions (mm):
216 x 137 x 6
Publication Country:
United Kingdom
Language:
English
Condition:
New
Description
Cipher and decipher codes: transposition and polyalphabetical ciphers, famous codes, typewriter and telephone codes, codes that use playing cards, knots, and swizzle sticks . . . even invisible writing and sending messages through space. 45 diagrams.





















