Ringworld Books in Order

This novel follows Louis Wu and a mixed expedition of humans and aliens investigating an enormous artificial ring surrounding a star. Their exploration brings them into contact with unfamiliar inhabitants and the mysteries of its construction.

Louis Wu returns to Ringworld with a Kzin companion under the control of a Puppeteer. Their search for the immense structure's builders becomes urgent when they discover that the ring is unstable and its inhabitants face catastrophe.

Louis Wu, the Puppeteer Hindmost, and the Kzin Acolyte face new dangers on Ringworld. With incoming ships being destroyed, vampires gathering, and competing protectors pursuing their interests, the immense artificial world's future becomes increasingly uncertain.

Louis Wu becomes caught in interspecies intrigue as war and a powerful weapon threaten Ringworld. With Tunesmith, Acolyte and the mysterious native Wembleth involved, protecting its inhabitants requires confronting dangers to the vast artificial world itself.

Ringworld’s sudden disappearance leaves rival war fleets seeking another prize: the secrets of the Puppeteers. Their traveling worlds face external attack and internal power struggles as Louis Wu, Hindmost and other competing figures pursue conflicting plans.