Title: Fate of worlds
Description: A cross-over conclusion to the Ringworld and Fleet of Worlds series finds the Puppeteers of the Fleet of Worlds targeted by rival war fleets after the disappearance of the Ringworld, prompting exiled Puppeteer Hindmost to draw on his knowledge of Ringworld technology to reclaim his power.
Subjects: Space warfare, Ringworld (Imaginary place), Fiction, Ringworld (imaginary place), fiction, Fiction, science fiction, space opera, Fiction, science fiction, action & adventure