The Leipzig Mahzor is one of the most lavish Hebrew illuminated manuscripts of all time. A prayer book used during Jewish holidays, it was produced in the Middle Ages for the Jewish community of Worms in the German Rhineland. Though Worms was a vibrant center of Judaism in the eleventh and twelfth centuries and drew celebrated rabbis, little is known about the city's Jews in the later Middle Ages. In the pages of its famous book, Katrin Kogman-Appel...