Genuine Mediumship or The Invisible Powers is one of the masterworks of William W. Atkinson. The book deals with abnormal and supernatural powers, clairvoyance, mental capabilities of man and the spiritual planes. Contents: Part I - Nature's Finer Forces Part II - Mental Vibrations And Transmissions Part Iii - Thought Transference Part Iv - Clairvoyance And Kindred Phenomena Part V - Clairvoyance: Past, Present And Future Part Vi - Mediumship Part Vii - Mediumistic Conditions Part Viii - How To Develop Mediumship Part Ix - Mediumistic Phenomena Part X - Experiences In The Circle Part Xi - Higher Spirit Manifestations