Hardback. 2nd Edn. (1st pub. Hutchinson 1928). The 1948 edn. had a new Introduction. The first full-length English language study of the murders, praised at the time for its presentation of the facts in the case. In two parts : Part One Fact; Part Two Theory. The author was regarded as the first 'Ripperologist' with his Dr. Stanley theory. With 10 illus. and 5 diagrams. 144pp. small 8vo. h/back. Red cloth covers. Ex-lib. with fairly minimal library markings ie no 'pockets or dockets' - 2 library stamps, signs of label removal to ffep, browned edges, corners and head/tail of sp. showing signs of wear, sl. slanted sp. A G++ copy of a scarce 'Ripper' title.