Prior to the popularization of Kabbalah, Kabbalist Rav Berg synthesized the wisdom's key concepts into a progressive system, rather than the non-linear manner of exploration previously available. This book is the result. The kabbalistic lineage is inextricably tied to the study of the knowledge itself. To this end, Rav Berg includes historical milestones, as well as insights about master kabbalists whose lives and deaths provide a basis for learning...