Helena Blavatsky, one of the most fascinating women in history, founder of the Theosophical Society, is most well known for her promulgation of a theosophical system of thought, often referred to under various names, including: The Occult Science, The Esoteric Tradition, The Wisdom of the Ages, etc., or simply as Occultism or Theosophy. She wrote several books in the subject.
But she also wrote short stories with supernatural content, and this is a collection of these stories.
Be prepared for nightmares!