Before the Spanish conquest in the sixteenth century A.D., the Inka Empire stretched along the Pacific side of South America, all the way from Ecuador to northwest Argentina. Though today many Inka researchers focus on the imperial capital of Cuzco, Peru, and surrounding areas, ruins of Inka settlements abound throughout the vast territory of the former empire and offer many clues about how the empire was organized, managed, and defended. These outlying settlements, as well as those in the Cuzco area, form the basis for John Hyslop's detailed study Inka Settlement...