In Ukrainian, the title of this book by the famous French astronomer and psychic researcher Camille Flamarion reads: "Mysterious psychic powers. A story about the author's research in the field of psychic phenomena, which is based on the accumulated scientific data of other European researchers." In this book, Camille Flamarion shares his observations and findings in the field of psychic phenomena, exploring phenomena of a psychic nature and trying to decipher the mystery of mysterious phenomena. The author conducts a comparative analysis of scientific research in this area, presenting his own observations and conclusions, as well as the research of other prominent European scientists. This book allows the reader to delve into the world of extraordinary phenomena and expand his understanding of psychic powers.