DOYLE, Sir Arthur Conan (1859-1930). The Memoirs of Sherlock Holmes. 1908. (Extremities, rubbed, front inner hinge repaired, some fore-margin chipping to a few leaves); half morocco slipcase. INSCRIBED at top of title-page: "Yours [truly?] Arthur Conan Doyle." -- The Return of Sherlock Holmes. 1913. (Spine slightly faded, some rubbing at extremities). PRESENTATION COPY, inscribed at top of title-page: "Yours very sincerely Arthur Conan Doyle To Lady Sackville" (last line in a different color ink). Sackville bookplate. Both London: Smith, Elder. Together 2 vols., 8o, original red cloth. Later editions, EACH INSCRIBED BY DOYLE. Illustrations by Sidney Paget. (2)