Tsubasa Okoshi is professor in the Department of Hispanic Studies and director of the Institute for Latin American Studies at Kyoto University of Foreign Studies, Japan. He is the coeditor of Recorriendo el lindero, trazando la frontera: Estudios interdisciplinarios sobre el espacio y las fronteras en las sociedades indígenas. Arlen F. Chase, visiting professor of anthropology at Pomona College, California, is coeditor of Maya E Groups: Calendars, Astronomy, and Urbanism in the Early Lowlands. Philippe Nondédéo is researcher at the Centre National de la Recherche Scientifique (Laboratoire Archéologie des Amériques, France). M. Charlotte Arnauld, emeritus research director at the Centre National de la Recherche Scientifique (Laboratoire Archéologie des Amériques, France), is coeditor of The Neighborhood as a Social and Spatial Unit in Mesoamerican Cities.