Weiser Books Gems from the equinox: instructions by aleister crowley for his own magical order, hardcover/aleister crowley

Includes material on magical rituals, yoga, invocations and sex magick, among many other topics.

This book covers yoga postures and breathing techniques, ceremonial rituals and meditations, and an Enochian magick primer.

It is intended for students of Occultism, Mysticism, Thelema, Magick, and comparative religion.