In Maya Daykeeping, three divinatory calendars from highland Guatemala - examples of a Mayan literary tradition that includes the Popul Vuh, Annals of the Cakchiquels, and the Titles of the Lords of Totonicapan - dating to 1685, 1722, and 1855, are transcribed in K'iche or Kaqchikel side-by-side with English translations. Calendars such as these continue to be the basis for prognostication, determining everything from the time for planting...