This is a radical breakthrough translation of an earlier work by the Ari -Rabbi Isaac Luria, the founder of the Tree of Life school. Check out, the Kabbalah of Kissing, the Gay tikkun and the thoughtfull readers notes at the end of every chapter.This is first time someone has translated an entire mystical text with an ongoing commentary and comprehensive Lexicon of Kabbalah in the back.Professor Miles Krassen of Oberlin College has written, "Even advanced scholars in Jewish mysticism can learn soemthing new from Klein's insightfull approach."