First Paperback Printing, stated. See scans. New York: Signet Science Library Books, February 1964. Stated First Printing of the first paperback edition (see scan). 12mo, illustrated wraps by Anthony Ravielli, vii + 320 pp. Very Good; moderate rubbing and dust at covers, light creasing at spine. See scans. A collectible copy of a very early first paperback edition title from one of the most productive writers in American history, science fiction and popular science specialist Isaac Asimov (Isaak Yudovich Ozimov). Trivia: his actual birthday is unknown, and his surname is believed to have come from a Russian/Belarussian word for "winter crops". There will be a quiz. L-51n
"synopsis" may belong to another edition of this title.