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Top Secret: A Handbook of Codes, Ciphers, and Secret Writing

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Top Secret: A Handbook of Codes, Ciphers and Secret Writing - Janeczko, Paul B (Editor)
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This practical field guide contains everything a young person needs to know about the art of concealment: making and breaking codes, mastering cipher systems, experimenting with secret writing, and making--and breaking--their own secret codes. Illustrations.

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Top Secret: A Handbook of Codes, Ciphers and Secret Writing 2006, Candlewick Press (MA), Cambridge, MA

ISBN-13: 9780763629724

Trade paperback

Top Secret: A Handbook of Codes, Ciphers, and Secret Writing 2006, Perfection Learning

ISBN-13: 9780756965631

Hardcover

Top Secret: A Handbook of Codes, Ciphers, and Secret Writing 2004, Candlewick Press (MA), Cambridge, MA

ISBN-13: 9780763609719

Hardcover