"From India to the Planet Mars" by Théodore Flournoy, translated by Daniel B. Vermilye, offers a riveting and skeptical exploration of the extraordinary experiences of the 19th-century French medium, Hélène Smith, born Catherine-Elise Muller. Flournoy delves into Smith's world of automatic writing and psychic visions, phenomena that resemble contactee accounts from the mid-20th century.

Hélène, under the influence of her spirit guide 'Leopold,' claimed to have psychically visited diverse historical and cosmic locales - from being a doomed 15th-century Indian princess to embodying Marie Antoinette in 18th-century France. Most intriguing are her accounts of Mars, where Flournoy meticulously documents the supposed Martian language and writing. The book includes hand-drawn illustrations depicting Martian scenes and vignettes, alongside over forty short texts in 'Martian,' with translations in French and English.

While this publication brought Hélène Smith fame, she disapproved of Flournoy's critical perspective and severed ties with him after its release. Over a century later, "From India to the Planet Mars" remains an influential and fascinating work, capturing the intersection of psychology, spirituality, and the exploration of otherworldly experiences.