Ringworld Throne
InRingworldandRingworld EngineersLarry Niven created Known Space, a universe in the distant future with a distinctive and complicated history. The center of this universe is Ringworld, an expansive hoop-shaped relic 1 million miles across and 600 million miles in circumference that is home to some 30 trillion diverse inhabitants. As in his past novels, Niven's characters inThe Ringworld Thronespend their time unraveling the complex problems posed by their society.