R. Po-Chia Hsia (Ph.D., Yale University) is Edwin Erle Sparks Professor of History at Pennsylvania State University. He is the author or editor of several books including The Myth of Ritual Murder: Jews and Magic in Reformation Germany (1988) and The World of the Catholic Renewal (1997). Currently he is working on a study of the history of cultural encounter between Counter-Reformation Europe and the Ming and Qing empires.