She is currently at work on a book entitled Enter Sex: A History of Hermaphrodites in the Middle Ages, which examines distinctions of sex, sexuality, species, and “race” in medieval Europe. She is also the author of the award-winning book Prophecy, Alchemy, and the End of Time (Columbia University Press, 2009). Her essays and reviews have appeared in Radical History Review, GLQ, WSQ (Women's Studies Quarterly), Osiris, ASAP/Journal, and Journal of the History of Sexuality. She is co-editor (with Zeb Tortorici) of “Trans*historicities,” a forthcoming special issue of Transgender Studies Quarterly.