Ringworld, the most celebrated work in Niven’s “Known Space” sequence, posited a vast body of matter — enough for an entire solar system — spinning around a sun in the form of a single giant artifact of unknown origin: a continuous...
The Kzin were the mightiest warriors in the galaxy, which they were wasting no time in conquering, one star system at a time. Then those feline lords of creation ran into those ridiculous weed-eating pacifistic apes who called themselves humans. And...
The ninth shared-world anthology laid in Niven's Known Space universe during the wars against those fighting felinoids, the alien Kzin, offers four notably readable long stories. In the late Poul Anderson's "Pele," a human couple on a research...
Traces the earliest days of the first Man-Kzin War, during which humans foil the huge feline warriors' attempt to turn them into slaves by enslaving them instead, until one of the cats turns out to be gifted with mental...