Elliot M. Abrams, a professor of anthropology at Ohio University, has conducted field research for more than two decades in Mexico, Honduras, Guatemala, and Belize, as well as in the Ohio River Valley. He is the author of How the Maya Built Their World.AnnCorinne Freter is a professor of anthropology at Ohio University and has conducted archaeological research since 1982 in Mexico, Guatemala, Honduras, and the Ohio River Valley. She is the coauthor of Copán: The Rise and Fall of an Ancient Mayan Kingdom.