The Great Keinplatz Experiment and Other Tales of Twilight and the Unseen

254 pp. 8vo. Part of a set of Doyle's works released in uniform bindings: orange cloth with dark grey titles, silhouetted illustrations on front boards and front board titles in relief. This set was the first collection of non-Sherlock Holmes short stories by Arthur Conan Doyle, originally issued in a slipcase (not included here). It includes a mix of mystery, horror, and adventure stories.