Codes and Ciphers: Clever Devices for Coding and Decoding to Cut Out and Make

By Magadalene Bear, Gerald Jenkins, Magdalen Bear

Book Overview

Make this collection of seven ingenious paper gadgets which introduce and explain many of the concepts used in cipher machines. Decode the secret messages and then start to understand how... This description may be from another edition of this product.

• Format: Paperback
• Language: English
• ISBN: 1899618538
• ISBN13: 9781899618538
• Release Date: June 2002
• Publisher: Tarquin Group
• Length: 32 Pages
• Weight: 0.40 lbs.
• Dimensions: 0.2" x 8.3" x 11.7"
• Age Range: 8 to 14 years
• Grade Range: Grades 3 to 9