Ace, 1962. FIRST EDITION, softcover “F-159.” Very good condition, very solid older paperback, minimal edge wear. Color wrap by Ed Emsh, title page illustration by Roy Krenkel, Jr. Increasingly scarce first appearance in book form, published in 1962 as an Ace Books paperback classic # F-159. Follows the text of the original version appearing as "The Moon Men" in Argosy All-Story Weekly from February 21 through March 14 ,1925 and "The Red Hawk" in Argosy September 5 through 19, 1925. “The Moon Men : When the Moon conquered the Earth.” 222 pages + 2 pages of other available titles.