Twenty Count: Secret Mathematical System of the Aztec/Maya

by Roger Montgomery

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Book cover for Twenty Count

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  • ISBN10 1879181266
  • ISBN13 9781879181267
  • Publish Date 1 September 1995
  • Publish Status Active
  • Publish Country US
  • Imprint Bear & Company
  • Format Paperback
  • Pages 252
  • Language English