That was Ragnarok, the most dreaded planet yet discovered. And Ragnarok was where a thousand untrained Earthmen--and women and children--were brutally marooned by a sadistic enemy. Two hundred died the first night. In the morning, the survivors knew what they must live for--revenge! A PYRAMID BOOK 40c Cover: Ralph Brillhart Printed in U.S.A. Transcriber's Note: The following typographical errors in the original text have been corrected in this eBook: Verso, p. 4: "arangement" changed to "arrangement" Part 1, p. 22: comma changed to a period Part 1, p. 22: "benefitted" changed to "benefited" Part 1, p. 53: "say it it now" changed to "say it now" Part 2, p. 105: "acknowledgement" changed to "acknowledgment" Part 4, p. 134: "lightyears" changed to "light-years"