[MYSTERIES]. [VARIOUS]. A group of 10 titles. [V.p.: ca. 1920s-1950s]. 8vos, 3 of which are in wrappers. All in publisher?s cloth or paper bindings (some wear, soiling, some ownership markings, all lacking dust jackets ? wrappered editions issued without jacket). VARIOUS EDITIONS. Some titles include: Orchids to Murder by Hulbert Footner (in wrappers); Guilty Bonds by William Le Queux (2 volumes in wrappers); The Man with the Black Feather by Gaston Leroux; Rasputinism in London by William Le Queux, and more.