2nd Ed. of a title chronicling what is regarded as the most important scientific investigation of evidence for life after death in history. Highly qualified and objective scientists, and a whole range of other people who attended the Scole Group's sessions, came away convinced that (mostly) invisible, discarnate intelligences were making direct contact with those present. It is therefore understandable that the first edition of this book created a great deal of discussion in the media when it was published in 1999.