Frances F. Berdan is Professor Emerita of the Department of Anthropology of California State University, San Bernardino. She won the Outstanding Professor Award for the California State University system in 1982 83. She is author or editor of twelve books, including The Aztecs of Central Mexico (2nd edition, 2005), The Codex Mendoza (co-authored, 1992), Aztec Imperial Strategies (co-authored, 1996) and The Postclassic Mesoamerican World (co-edited, 2003). Her articles have been published in Scientific American, American Antiquity, Latin American Antiquity, Ancient Mesoamerica, and Arqueologia