Codemaster : Book #1 how to write and decode secret messages / by Marvin Miller.
TITLE:
Codemaster : Book #1 how to write and decode secret messages / by Marvin Miller.
Alternate Title:
How to write and decode secret messages
By:
Publication Date:
2003, 1998
Publication Information:
New York : Scholastic,
Physical Description:
69 p. : ill.
Summary:
Learn the Pinhole code,the Inside-out code, the Mixed-up math code, the Pigpen code, and more.
Language:
English
ISBN:
9780439627177
