Aleksander Borejsza is professor of archaeology at the Universidad Autónoma de San Luis Potosí.Isabel Rodríguez López works as a freelance archaeologist in Mexico. Charles D. Frederick is a consulting geoarchaeologist and research fellow at the University of Texas at Austin. He is the coeditor of Landscape and Land Use in Postglacial Greece (2000). Michael E. Smith is professor at the School of Human Evolution and Social Change at Arizona State University. He is the author and editor of several books on the Aztecs, including Aztec City-State Capitals (2008) and The Postclassic Mesoamerican World (2003).