The Abacus and the Cross

The Story of the Pope Who Brought the Light of Science to the Dark Ages

By Nancy Marie Brown
(Basic Books (AZ), Hardcover, 9780465009503, 310pp.)

Publication Date: December 2010

List Price: $27.95*
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An acclaimed science writer tells the story of Pope Sylvester II, the erstwhile mathematician, astronomer, and spy, who brought Islamic science to the West before the year 1000

About the Author
Nancy Marie Brown is the author of highly praised books of nonfiction, including "The Abacus and the Cross "and "The Far Traveler: Voyages of a Viking Woman". She has studied Icelandic literature and culture since 1978. Formerly the editor of the award-winning magazine "Research/Penn State ", Brown lives in Vermont, where she keeps four Icelandic horses and an Icelandic sheepdog.
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