When man's emerging star-empire met that of the savage Cromanths, the alien hordes began a war of extinction against humankind. So overwhelming was their power that Earth's outposts and finally the Earth itself were utterly destroyed. But one starship managed to escape, carrying colonists toward some distant habitable planet, if such a place existed, and if the Cromanths didn't find them first. The mission was successful and the colony established. Mankind began to adapt to its...