Isis very much unveiled, being the story of the great Mahatma hoax

A journalistic exposé traces claims of fraudulent spiritual phenomena within the Theosophical movement, recounting alleged mystifications attributed to founding figures and later leaders, the investigation by psychical researchers, internal disputes and resignations, published facsimiles and letters, and formal replies from officials, prominent adherents, and private members. The work assembles testimony, press commentary, and reproductions to reconstruct the controversy, critique claims of supernatural Mahatma communications, and present a rejoinder to defenders, aiming to explain how the movement's phenomena were produced and how believers reacted to revelations and challenges.