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Codes and Ciphers
John Laffin
其他書名
Secret Writing Through the Ages
出版Abelard-Schuman, 1964
主題Business & Economics / Business WritingJuvenile Nonfiction / Games & Activities / GeneralJuvenile Nonfiction / Games & Activities / PuzzlesLanguage Arts & Disciplines / Communication Studies
ISBN02007111809780200711180
URLhttp://books.google.com.hk/books?id=TWLhAAAAMAAJ&hl=&source=gbs_api
註釋A romantic and practical history from ancient to modern times. Includes cipher messages with answers at the back of the book.