CONAN DOYLE, Arthur. The Sign of Four. London: Spencer Blackett, 1890. First edition in book form, second issue. Second issue points with the numeral "138" on the contents page incomplete and reading "13," and with "wished" appearing as "w shed" on p. 56, line 16. This copy issued without advertisements, as was the case in some copies. (Green & Gibson, p. 34). Octavo (8vo). [iv], 283, [1, blank] pp. Near-contemporary red morocco binding with single-line gilt panelled boards, spine with five raised bands and gilt lettering, gilt dentelles, and marble endpapers (replacing dark brown endpages). Frontispiece by Charles Kerr, with tissue guard. All edges uncut. Binding tight; upper hinge cracked but holding, general light wear to extremities, corners slightly bumped, spine a little scuffed. Contents clean and bright with occasional small spots or marks as usual with age; a handsome and well-preserved Very Good+ copy. The second Sherlock Holmes detective novel, The Sign of Four; in the story, Holmes and Watson are drawn into a labyrinth of hidden treasure, betrayal, and murder after a young woman seeks answers surrounding her father's mysterious disappearance. First published in Lippincott's Monthly Magazine (1890), The Sign of the Four (also called The Sign of Four) was quickly released in book form. [Attributes: First Edition; Hard Cover]