Features
- Reading level: Baby-Preschool
- Cover Type: Paperback
- Published by: Sterling Publishing March 1986
- Written in: English
- ISBN 10 Number: 0806963069
- ISBN 13 Number: 978-0806963068
Card Catalog Description
Explains how to use secret codes, including Morse, Caesar's, Sandwich, Rosicrucian, and others, as well as how to send hidden messages using invisible ink, how to take fingerprints, and other tricks and techniques.
--This text refers to an out of print or unavailable edition of this title.