A leading psychical researcher takes an in-depth look at ghost hunters, both past and present. Who are these intrepid explorers of the unknown? How do they probe and examine the realms of the seemingly inexplicable? What are their conclusions? In fascinating detail, Peter Underwood profiles the lives and adventures of some of the most famous names in psychical investigation.There is Harry Price - his examination of Borley Rectory 'the most haunted...