Specializes in Judaism: talmudic literature and culture. Her interests include gender in Jewish culture; the relationship between Judaism and Christianity in Late Antiquity; the discourses of orthodoxy versus heresy; the connection between religion and space; and rabbinic conceptions of Judaism with respect to Greco-Roman culture. She is the author of Menstrual Purity: Rabbinic and Christian Reconstructions of Biblical Gender (2000), which won the Salo Baron Prize for a best first book in Jewish Studies of that year and was a finalist for the National Jewish Book Award in Jewish Scholarship. She also co-edited The Cambridge Companion to the Talmud and Rabbinic Literature (2007), together with Martin Jaffee (University of Washington). Currently, she is working on a manuscript entitled Replacing the Nation: Judaism, Diaspora and the Neighborhood.