Consternation and panic grip the world as a strange asteroid-sized object shoots earthward. Millions are relieved when the weird, glowing space phantom inexplicably goes into orbit about our world. Tom Swift, who has invented a machine which will establish a breathable atmosphere on the stark, airless moonlet, is asked to explore the interloper from space and to claim it for the United States. The epic voyage is accomplished in a gigantic atomic-powered...