Joseph Dan, one of the world's leading authorities on Jewish mysticism, offers a concise and highly accurate look at the history and character of the various systems developed by the adherents of the Kabbalah. Dan sheds light on the many misconceptions about what Kabbalah is and isn't--including its connections to magic, astronomy, alchemy, and numerology--and he illuminates the relationship between Kaballah and Christianity on the one hand and New...