The Lesser Holy Assembly is a book written by S. L. MacGregor Mathers, a prominent occultist and ceremonial magician of the late 19th and early 20th century. The book is a collection of magical rituals and practices that are designed to help the practitioner achieve spiritual enlightenment and communicate with divine beings.The rituals contained in the book are based on the teachings of the Hermetic Order of the Golden Dawn, a secret society that...