Features
- Cover Type: Paperback with 180 pages
- Published by: Teachers & Writers Collaborative September 1986
- Written in: English
- ISBN 10 Number: 0915924862
- ISBN 13 Number: 978-0915924868
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Book Dimensions:
9 x 6 x 0.4 inches
- Weighs: 11.8 ounces
Card Catalog Description
Discusses secret writing, ciphers, and the processes of creating and deciphering secret or difficult languages. Includes thinking and writing exercises.