New York: Doubleday Science Fiction, 1954. Book Club. Hardcover. 224pp. Octavo [21.5 cm]. Blue boards with red lettering on spine. The pages are tanned and boards are lightly cocked. In the illustrated dust jacket designed by Ruth Ray, with light wearing at extremities. Very good + / Very good. Item #64639
Considered to be a genre-crossing detective story, this is an early entry in Asimov's famous Robot series. Eye-catching book club edition in very good condition.