In recent years, the Catholic Church has come under censure for its inaction during the Holocaust and for its similar passivity in the face of contemporary antisemitism. However, as Robert Michael shows in this comprehensive study, the Church’s involvement in the history of antisemitism goes back to its founding and to the essence of the Christian Scriptures. Moving from the Church’s origins, through the Roman era, Middle Ages, and Reformation to the present, Michael here provides a definitive history of Catholic antisemitism..