Hardcover first edition, first printing. Stated First Edition on copyright page with "1" present in complete number line. Very fine (unread) copy in very jacket. A clean, square copy in pristine jacket with price intact. Not a book club, remainder or ex-library copy. Excerpts from more than one thousand of Isaac Asimov's letters gathered, arranged and edited by Asimov's younger brother, Stanley, who also provided short introductions.