The Ringworld is dying And this time even Louis Wu
- captive of the hyper-intelligent alien Tunesmith
- may be unable to save it Even if Louis can escape he will then have to survive in a galaxy ravaged by interstellar war & deadly political intrigue For the Ringworld is no longer a secret & entire civilisations now battle to control its power The victorious race that conquers the Ringworld will conquer the galaxy & no one will be able to stop them But Louis Wu is going to try