John W. Hessler is the curator of the Jay I. Kislak Collection of the Archaeology and History of the Early Americas at the Library of Congress and a lecturer at the Johns Hopkins University. He is the author of Collecting for a New World: Treasures of the Early Americas and many other books. Katia Sainson is a professor of French in the Department of Languages, Literatures, and Cultures at Towson University. She is the author and translator of The Manuscript Hunter: Brasseur de Bourbourg's Travels Through Central America and Mexico, 1854-1859.