This book is a history of psychical research in the last fifty years and a 'record of the principal experiments which have been carried out, with the results obtained'. The author has been active all over Europe for more than thirty years, helping to make that history in the double rôle of exposing fake 'psychics', and fighting for the recognition of what he believes to be genuine parapsychological phenomena. He writes: 'A typical stone-throwing, window-rattling, and door-slamming "ghost" made a great impression on my adolescent and receptive mind, and from then onwards I decided to become an investigator'. His greatest ambition is to bring London University to establish a Department for Psychical