H.P. Blavatsky 
The Collected Works of H. P. Blavatsky. Illustrated 
The Secret Doctrine, Isis Unveiled, The Voice of the Silence, Key To Theosophy, What Is Theosophy? and others

Helena Petrovna Blavatsky often known as Madame Blavatsky was a Russian occultist, philosopher, and author who co-founded the Theosophical Society in 1875. She gained an international following as the leading theoretician of Theosophy, the esoteric religion that the society promoted. If you care about Theosophy or this trailblazer of the New Age, then this book is for you. A must for any scholar of spiritual movements.  Along with writing her several books, H. P. Blavatsky kept up a voluminous correspondence and also contributed a steady stream of essays and articles to periodicals in English, French, and Russian.
Contents:
ISIS UNVEILED
FROM THE CAVES AND JUNGLES OF HINDOSTAN
WHAT IS THEOSOPHY?
WHAT ARE THE THEOSOPHISTS?
MAHATMAS AND CHELAS
OCCULT OR EXACT SCIENCE?
THE ESOTERIC CHARACTER OF THE GOSPELS
OCCULTISM VERSUS THE OCCULT ARTS
IS THEOSOPHY A RELIGION?
THE VOICE OF THE SILENCE
THE KEY TO THEOSOPHY
THE SECRET DOCTRINE 

About the author

Elena Petrovna Blavatskaya (1831 – 1891) – Russian noblewoman, US citizen, religious philosopher of the theosophical direction, writer, publicist, occultist and spiritualist, traveler.