How to keep a secret: Writing and talking in code

By Elizabeth James

Book Overview

Presents various methods of writing, speaking, and signaling secret messages.

• Format: Hardcover
• Language: English
• ISBN: 0688418287
• ISBN13: 9780688418281
• Release Date: January 1978
• Publisher: Lothrop, Lee & Shepard
• Length: 56 Pages
• Weight: 0.70 lbs.
• Age Range: 7 to 11 years
• Grade Range: Grades 2 to 6