How to Write and Decode Secret Messages (Codemaster , No 2)
Books / Paperback
Books › Juvenile Nonfiction › General
ISBN: 0590373889 / Publisher: Scholastic Paperbacks, June 1998
Describes various types of codes and ciphers to write secret messages, including the window card code, the ink spot code, and the telephone code
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Based on one of the most popular segments in Boy's Life magazine, a second collection of codes offers the secret to writing and solving codes, along with a decoder card, and presents such challenges as the Playing Card Code.
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