New York: Gnome Press, 1950.
First edition, first printing. Publisher's original red cloth stamped in black; lacking the dust jacket. Very Good, with light wear and light stains to cloth. Previous owner bookplate to front paste down; small bookseller ticket to front free end paper. Pages toned, with several sporadic small stains. Asimov's sci-fi novel, composed of short stories with an overarching narrative frame. Item #140937910