Arthur J. Burks, one of the great science-fiction authors, paints a vast canvas, creating a lurid, thrilling vision of the devastation and rebirth of the earth's greatest nation A science fiction epic reprinted with its amazing sequel for the first time In "Survival," David Haslup leads his people in flight from an invading army - deep into the bowels of the earth, carving out an interior world of supermen and super-science Centuries later, in "Exodus," David Haslup's descendant, 39 generations later, leads his people in battle to reclaim the surface world -- a world their generation has never seen In "Thubway Tham's Four Queens," the creator of Zorro recounts a tale of high stakes poker and low-life players. Can the notorious but lovable pickpocket prove that anyone can be a high-stakes poker player? Or will Tham's desire for easy money once again prove his undoing? Also: "The Watcher" by Charles E. Fritch, and "63,571" by L. H. Hayum. Cover by Norman Saunders.