This book applies Kabbalistic principles to the study of esoteric organisations. This book is about the complexities and subtleties of old and new schools, the laws that govern them and what to expect and avoid. These themes include modes of discipline, stages of development, flowering and decline of esoteric schools as well as the role of a teacher. Examples are given of individual progress, crises and initiations as well as description of how to create a school of the soul for our time. In this revised edition are many new diagrams and images that enhance the original text.