Book excerpt: TWO POWERFUL NOVELETS OF ALIEN WORLDS CONSPIRACY ON CALLISTO.....James MacCreigh Revolt would soon flare on Callisto, and Peter Dnane held a secret that would make the uprising a success or failure. But he could make no move, his memory was gone—he didn’t know for whom he fought. CASTAWAYS OF EROS........Nelson S. Bond Two families fought for title to Eros; and the unscrupulous United Ores Corporation wanted hoth to fail the Land-Grant requirements. Then came a situation that none could foresee, and— TWO THRILLING SHORT STORIES DESTINATION—DEATH ...... Wilbur S. Peacock One man had to die on Uranus’ frozen wastes, so that his partner might live BLACKOUT..........Joseph Farrell The destiny of a dying world lay in another—one which could not control its own.