This work played an essential role in Catholic priest Joseph McCabe's public debate with Sir Arthur Conan Doyle. McCabe examined the authenticity of spiritualism, attacking the spiritualist claims as a whole. He showcased his rational opinions and critical thinking wonderfully through this work. Contents include: Mediums: Black, White, and Grey How Ghosts Are Made The Mystery of Raps and Levitations Spirit Photographs and Spirit Pictures A Chapter of Ghostly Accomplishments The Subtle Art of Clairvoyance Messages From the Spirit-world Automatic Writing Ghost-land and Its Citizens
