Deathworld

Pyrrus; a nasty planet named for the type of victory that king Pyrrus of Epirus enjoyed when he defeated powerful Rome, but lost all his forces and kingdom doing so.

That's what the settlers of Pyrrus are facing. They are dealing with not only a tidal and volcanically dangerous planet, but an incredibly hostile array of native life which is continuously evolving ever deadlier forms. Despite training to kill from infancy, and constant ferocious battling, they are not making headway. The more...