From India to the planet Mars: A study of a case of somnambulism with…

From India to the Planet Mars, published in 1900 by Théodore Flournoy, is a scientific examination of the medium Hélène Smith, who exhibited extraordinary psychic phenomena such as automatic writing and visions. Flournoy, a professor of psychology, investigates her experiences to explore the implications for understanding consciousness and the paranormal. This work is notable for its early analysis of spiritualism and parapsychology, contributing to the study of sleepwalking and glossolalia.