Madame Blavatsky's Secret Marriage is a non-fiction book written by Henry S. Olcott. The book delves into the life of Helena Petrovna Blavatsky, the founder of Theosophical Society. The author sheds light on Blavatsky's personal life, particularly her secret marriage to Michael Betanelly, which was unknown to her followers and the public. Olcott provides an in-depth analysis of Blavatsky's character, beliefs, and her influence on the spiritual movement...