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When they published the title story of this collection in April 1947, Astounding Science Fiction said, "To upset the stable, mighty stream of time would probably take an enormous concentration of energy. And it's not to be expected that a man would get a second chance at life... Read Full Overview

John W. Campbell was a man who really knew what makes SF the appealing thing it is; it's no wonder that he published the story. Also included in this volume are "The Mercenaries" (Astounding Science Fiction, March, 1950), "He Walked Around the Horses" (Astounding... Read Full Overview