Stanislas de Guaita - La Clef de la Magie Noire - 1967

It is thanks to this book that Michelet, speaking of Stanislas de Guaita, said that he was regarded by his peers as a classic.
The esoteric work of Guaita takes shape thus:
Essays on the Cursed Sciences:
-At the Threshold of Mysteries
-The Serpent of Genesis:
1.The Temple of Satan
2.The Key of Black Magic
3.The Problem of Evil.
Dorbon (no. 2001) This trilogy contains everything that has been published of the work of the greatest Kabbalist of modern times.

Here we are selling Book II: The Key of Black Magic, the thickest and most important of the published work.

Caillet (no. 4809) specifies that: "The Key of Black Magic is the broadest and most complete study ever published on the great magical agent or the astral Light. (...) In a magnificent preface of nearly 100 pages of text, a true masterpiece of Kabbalah, the author studies at length the most captivating problems of esotericism (...) in the light of the works of Fabre d'Olivet, Boehme, Eliphas Lévi, etc. He comments on the TABLE OF EMERALD, a summary of the traditions of ancient Egypt, a key to alchemy, ..."