First Edition. Bleiler listed Speculative Novel of civilization at the brink of destruction in the 1950's and 1960's. The world has become a place where air armadas are always in the sky, submarines lurk in all waterways, and guns that can shoot from New York to Philadelphia directly are created by the United States Army. Bright Fine Copy in Very Good plus bright dustjacket with mild darkening to spine and edges, mild wear to spine ends. A very attractive copy of this scarce title.