The greatest Occultist in the history of Western civilization a direct agent of the Trans-Himalayan Brotherhood of Adepts.
The definitive edition of HPB's writings in 15 volumes. Volume 12 is from 1889 and 1890, and includes articles such as: Genius; The Fall of Ideals; Science and the Secret Doctrine; Progress and Culture; The Dual Aspect of Wisdom; Psychic and Noetic Action.
Blavatsky is founder of the Theosophical Society and was an intrepid investigator of cosmic and human nature.