12 volumes, 8vo. Photogravure frontispieces, titles printed in red and black, numerous illustrations. (Slight toning.) 20th-century half black morocco, marbled boards, spines in 6 compartments with 5 raised bands, gilt-lettered in 2, gilt-decorated in the rest, top edges gilt, others uncut (slight wear to extremities and joints). 

LIMITED EDITION, ENGLISH ISSUE, number 103 of 1,000 copies of the “Author’s Edition," SIGNED BY DOYLE on the limitation page in volume I. “The author considered this edition of his works to be of great importance: he revised parts, and added notes and a number of special introductions. He remarks in the preface that it had for some time been his ambition to have such a collection"(Green & Gibson, A Bibliography of Arthur Conan Doyle, A60).

[Uniformly bound with:] DOYLE, Arthur Conan. Sir Nigel. New York: McClure, Phillips & Co., 1906. -- The Return of Sherlock Holmes. Garden City, NY: Doubleday, Page & Company, 1923. -- The Case of Sherlock Holmes. New York: George H. Doran Co., [1927]. 3 volumes, 8vo. Half-titles. (Slight toning.) Later editions.