New York: Carleton, 1862. A Romance. 8vo, original plum cloth, stamped in gilt & blind. N.Y.: Carleton, 1862. First Edition. Later issue, with "Thackeray" spelled correctly, and the publisher's name on the front cover. A scarce book, Chapters 11-14 constituting from the first short detective story by an American to appear in book form after Poe's 1845 "Tales". Early ownership signature. BAL 257.
London. Carbon copy typescript, with underlings in red, printed on rectos only. 121pp., each Act paginated separately. 4to, plain brown paper wrappers (new) with typed cover label, string bound. London, no date. Christie's first piece for the stage, written in 1932. The title page bears a typed notation from her agent: "All communications to: L.E. Berman, 38 Shaftesbury Avenue W.1"