I Came This Day to the Spring: Va-avo ha-Yom el ha-’Ayin; a Treatise of Sabbatian Kabbalah, Attributed to Rabbi Jonathan Eibeschuetz

David J. Halperin is Professor Emeritus of Religious Studies at the University of North Carolina, Chapel Hill. He is the author of Seeking Ezekiel (1993), Sabbatai Zevi (2007), and four other books on Jewish mysticism, messianism, and the human phenomenon of religion. He has also written the coming-of-age novel Journal of a UFO Investigator (2011). He maintains a blog at www.davidhalperin.net.