Space Prison

DOOMED Crushing gravity--thin air--winters of unimaginable cold--searing summers under two suns--a deadly wasteland teeming with monsters and killing fever-- 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!