ASIMOV, ISAAC. Pebble in the Sky. Garden City: Doubleday, 1950. 8vo, original grayish-tan cloth; pictorial dust jacket (slight rubbing at some extremities). FIRST EDITION of the prolific author's first book, INSCRIBED BY HIM on title-page: "This first edition of the first book I published, Isaac Asimov." Currey, p.19. A fine copy.