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A companion to his first book, The Spirits' Guide, The Book on Mediums explains how to apply Allan Kardec's principles of his practical science of spiritism in order to become a medium. His aim is to teach interested readers, those who believe in the existence of the spirit world, and people with a strong desire to communicate with the dead how to cultivate their sensitivity to the paranormal. It is a serious undertaking, and Kardec warns his reader to approach the subject with a scholarly mind and pure intentions. For those who are willing, there is a whole new world just waiting to be experienced. French scholar HIPPOLYTE LEON DENIZARD RIVAIL (1804-1869), aka Allan Kardec, was a longtime teacher of mathematics, astronomy, and other scientific disciplines before turning to the paranormal. He founded the Parisian Society of Psychologic Studies, and founded and edited the monthly magazine La Revue Spirite, Journal of Psychologic Studies. He is also the author of The Gospel as Explained by Spirits (1864).
