Secret Code Book
Books / Hardcover
Books › Juvenile Nonfiction › General
ISBN: 0803717253 / Publisher: Dial, June 1995
Presents a variety of codes and ciphers and includes messages to encode and decode
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Collects a variety of clever, fascinating, mind-boggling codes and ciphers--written, spoken, and symbolic--that have been used through the ages, along with historical notes, step-by-step instructions, and tips on decoding.
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