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In the title story of this first-rate science fiction collection, a renegade misfit conquers the dragons and renews the threat of nuclear chaos aboard Springplace, a man-made repository for old reactor cores, dirty plutonium, and dismantled bombs. Another story is a sprawling intergalactic epic that takes place aboard a starship. Salvaged and commandeered by humans, the massive generation starship becomes the setting for a titanic struggle between two alien entities who engage in a monumental battle for survival. The tale "Chrysalis” explores not just an alien milieu but the nature of man himself when another ancient starship lands and investigates an icy unknown planet inhabited by humans millions of years earlier.