Ringworld

This novel, titled after a imaginative new world, follows a band of explorers as they crash land and travel across the huge structure’s surface, which is equal to the area of 3 millions earths. Ringworld is physically based on a slice of the geometrical concept of a Dyson Sphere. the plot centers around a mad puppeteer alien with two heads orchestrates the massive mission and recruits Louis Wu, the 200-year-old human protagonist, Teela Brown, his congenitally lucky lover, and a cawardly, cat-like alien with orange fur and sharp teeth named Speaker-to-Animals.