Ray Bradbury. Dark Carnival. Sauk City: Arkham House, 1947. First edition of the author's first book. Signed by Bradbury on the front free endpaper: "Ray Bradbury/May 21, 1948".  Octavo. [viii], [314], 2, blank pages. Publisher's full black cloth with gilt spine titles. Original pictorial dust jacket by George Barrows. Jacket spine barely sunned, some rubbing and minor soiling and wear to jacket, minor rubbing to binding, corners a bit bumped. Still, a fine copy. Although signed copies of early Bradbury books appear regularly on the market, contemporary signatures like this one are rare.