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Book Information
90 pages • paperback • first pub 1976 • 1 edition
ISBN/UID: 9780140313673
Format: Paperback
Language: English
Publisher: Not specified
Edition Pub Date: Not specified
Description
Explains and illustrates codes which can be used to send secret messages or as brainteasers.
Community Reviews
Content Warnings
90 pages • paperback • 1976
ISBN/UID: 9780140313673
Format: Paperback
Language: English
Publisher: Not specified
Edition Pub Date: Not specified
Description
Explains and illustrates codes which can be used to send secret messages or as brainteasers.
Community Reviews
Content Warnings