Since the last edition of "Guide to Prehistoric Astronomy in the Southwest" in 1993, there has been a steady growth in the knowledge of astronomy practiced by the Ancestral Pueblo. Predictions that had been made in the last edition have been verified in the many annual returns of the solstice sun and, after 18.6 years, the return of the major standstill moon. New work in archaeology has been published on Chimney Rock, Chaco Canyon, Mesa Verde, Yellow...