This book investigates the nature and practical application of esoteric orders within Western mystical traditions. Violet M. Firth, a prominent occultist and author, draws upon her extensive knowledge and experience to elucidate the structures, teachings, and aims of various esoteric groups. The work aims to provide a comprehensive overview of these hidden societies and their role in spiritual development.

Violet M. Firth, writing as Dion Fortune, was a significant figure in 20th-century occultism, and her works are often regarded as foundational texts within esoteric circles. This book is likely to be appreciated by those seeking a deeper understanding of occult organizations and their methodologies. The content is expected to be dense, requiring a dedicated reader interested in the intricacies of Western esotericism.