Octavo, jacket illustration by Ruth Ray, boards. The first of the Robot novels. "A richly characterized, thoughtfully told story; justifiably a favorite among Asimov's readers." Anatomy of Wonder (1995) 3-10. [Reference: Hubin, p. 34. Sargent, British and American Utopian Literature, 1516-1985, p. 245]. Touch of rubbing to boards edges, a fine copy in a nearly fine dust jacket with a touch of edge rubbing, a little black stain to spine ends and corners from old style jacket protector. An attractive copy with good color. (12445).