The Problems of Psychical Research

"The Problems of Psychical Research: Experiments and Theories in the Realm of the Supernormal" by Hereward Carrington

Hereward Carrington was a well-known British-born American investigator of psychic phenomena and author. In this book, he delves into experiments on the topic. Starting with addressing if research into the topic can be considered a true science before moving onto tests of telepathy, witchcraft, and more.