Secrets of making and breaking codes

By Hamilton Nickels

Book Overview

Ever since humans first began to communicate, we’ve had secrets to keep ? secrets of state, war, business, or the heart. From the moment the first secret message was sent, others were busy trying to... This description may be from another edition of this product.

• Format: Hardcover
• Language: English
• ISBN: 0760709130
• ISBN13: 9780760709139
• Release Date: January 1998
• Publisher: Barnes & Noble Books
• Length: 136 Pages
• Weight: 0.64 lbs.
• Dimensions: 0.6" x 5.6" x 8.2"