The early prehistory of South America is poorly known by the English speaking world. This edited volume, translated from Spanish, contains twenty-one short papers documenting some of the most important recently investigated early archaeological sites from South America. These papers report Paleoamerican complexes and excavations of sites older than eleven thousand radiocarbon years before present, as well as cover issues in geoarchaeology, geochronology, Pleistocene extinction, and paleoecology. Numerous graphics are used to Illustrate site locations, excavations, and artifacts.