London: Smith, Elder, and Co., 1915. FIRST UK EDITION. 8vo; pp.306 plus 6 pages of ads. Publisher's fresh red cloth, bright gilt titles to spine and upper. Some spotting to prelims. Slight toning to spine and subsequent dulling of the gilt. A very good, tight copy. The fourth and final full-length Sherlock Holmes novels, a retrospective or 'flashback' adventure set in Pennsylvania, 1888. 'The Valley of Fear' is also notable for the involvement of Holmes arch-nemesis Professor Moriarty. Item #42690
Green and Gibson [A39], Cooper & Pike; Detective Fiction.