"Space Prison" by Tom Godwin is a science fiction novel published in 1958. When aliens attack a ship bound for a distant colony, they divide the passengers into two groups. The "Rejects" are abandoned on Ragnarok, a brutal planet with crushing gravity, deadly creatures, and scarce resources. Stranded across generations, the survivors face extinction while nursing one burning purpose: revenge against their captors. This tale of human endurance follows their desperate struggle to overcome impossible odds and reclaim their destiny. (This is an automatically generated summary.)