Published in 1874, this collection of reports by the chemist and scientific journalist Sir William Crookes (1832 1919) describes his controversial research into psychic forces. In 1870, Crookes decided that science had a duty to study preternatural phenomena associated with spiritualism, and he spent the next four years carrying out experiments which tested famous mediums including D. D. Home, Kate Fox and Florence Cook. This fascinating work describes Crookes' witnessing of the movement of bodies at a distance, rappings, changes in the weights of bodies, levitation of individuals and...