An analysis of religious beliefs in general, this volume is in particular directed against theological Christianity, the chief opponent of free thought. It contains not one word against the pure teachings of Jesus, but unsparingly denounces their debasement into pernicious ecclesiastical systems that are ruinous to man's faith in his immortality and his God, and subversive of all moral restraint.

The Secret Doctrine, the Synthesis of Science, Religion and Philosophy, a book originally published as two volumes in 1888 written by Helena Blavatsky. The first volume is named Cosmogenesis, the second Anthropogenesis.

This key to the world's esoteric traditions unlocks some of the most fascinating and closely held secrets of myth, religion, and philosophy. Unrivaled in its beauty and completeness, it distills ancient and modern teachings of nearly 600 experts. Compelling themes range from the riddle of the Sphinx and the tenets of Pythagorean astronomy to the symbolism of the pentagram, the significance of the Ark of the Covenant, and the design of the American flag.

Widely regarded as his major work, Crowley's Magick in Theory and Practice is an extensive treatise on magick, a system of Western occult practice synthesized from many sources, including Eastern yoga, hermeticism, medieval grimoires, contemporary magical theories, and Crowley's own original contributions. As important today as when it was first written, Magick in Theory and Practice is essential listening for anyone interested in occultism.

The Secret Doctrine, the Synthesis of Science, Religion and Philosophy, a book originally published as two volumes in 1888, is Helena P. Blavatsky’s magnum opus. The first volume is named Cosmogenesis, the second Anthropogenesis. It was an influential example of the revival of interest in esoteric and occult ideas in the modern age, in particular because of its claim to reconcile ancient eastern wisdom with modern science.