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How to Write Codes and Send Secret Messages
How to Write Codes and Send Secret Messages
Author: John Peterson, Bernice Myers (Illustrator)
Explains how to write and decipher space codes, hidden word codes, and alphabet codes and gives formulas for invisible ink. Includes suggestions for delivering coded messages.
ISBN-13: 9780590026062
ISBN-10: 0590026062
Publication Date: 9/1973
Pages: 64
Rating:
  • Currently 4.5/5 Stars.
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4.5 stars, based on 2 ratings
Publisher: Scholastic
Book Type: Paperback
Other Versions: Hardcover
Members Wishing: 0
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