Mark Z. Christensen is associate professor of history at Brigham Young University. He has written various articles on colonial Latin America and is the author or coauthor of several books, including The Teabo Manuscript, winner of the LASA Mexico Section Book Award in the Humanities.Matthew Restall is Edwin Erle Sparks Professor of History and director of Latin American Studies at Penn State University. He is a past president of the American Society for Ethnohistory, edits the Hispanic American Historical Review, and has written numerous articles, essays, and books on Latin American history, including When Montezuma Met Cortés.