London: Gerald Duckworth & Co., 1958. First edition. 111pp.; index; 8 b&w plates at center. 8vo; red cloth; dust jacket. Light bumping/softening to board corners; bookseller stamp (Samuel Weiser) to front pastedown. Very good or better in a very good jacket, price-clipped and moderately rubbed, with chips to bottom tips and base of spine.
An elucidation of the "pitfalls which have to be avoided" when conducting psychical research, using as its examples of proper investigation four recent examples of poltergeist phenomena.
