The Knowhow Book of Spycraft
- ISBN-10
- 0860200051
- ISBN-13
- 9780860200055
- Category
- Ciphens
- Pages
- 32
- Language
- English
- Published
- 1975
- Publisher
- Edc Pub
- Authors
- Judy Hindley, Falcon Travis
Description
"This book is all about keeping secrets. It shows you how to set up secret meeting places and a secret post office and how to disguise your messages. It shows you lots of secret codes and signals"--Page 2.
