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The Friar and the Cipher: Roger Bacon and the Unsolved Mystery of the Most Unusual Manuscript in the World by Nancy Goldstone, Lawrence Goldstone

The Friar and the Cipher: Roger Bacon and the Unsolved Mystery of the Most Unusual Manuscript in the World

Nancy Goldstone, Lawrence Goldstone

320 pages • first pub 2005 (editions)

nonfiction history science challenging informative mysterious slow-paced
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