This is a collection of 10 essays on a variety of occult-themed topics, covering the full spectrum of classic esoteric and related subjects, which include Hermeticism, alchemy, magic, the Kabbalah, ancient wisdom and philosophy, the Tarot, Rosicrucianism, Freemasonry, Theosophy, and spiritualism, by some of the most notable and prominent names in the history of those subjects. This collection was compiled specifically with the student in mind.

The contents include:

1. Paracelsus, the Four Elements and Their Spirits by Manly P. Hall
2. Theosophy and Art by R. W. Machell
3. The Name and Origin of the Kabbalah by Bernhard Pick
4. The Tarot in History by Arthur Edward Waite
5. A Short Tract on Alchemy by Nicholas Flamell
6. The Masonic Rite of Investiture by Albert G. Mackey
7. The Rosicrucian and Hermetic Brethren by Hargrave Jennings
8. The Oracle of Delphi by Ralph Shirley
9. Scenery of the Astral Plane by C. W. Leadbeater
10. Plato and Platonism by Helena P. Blavatsky