- Published: 1979
- Hugo Award for Best Novel, 1980 —
- Nebula Award for Best Novel, 1980 —
- Locus Award for Best Science Fiction Novel, 1980 —
When Cirrocco Jones, captain of the spaceship Ringmaster, and his crew are captured by Gaea, a planet-sized creature that orbits around Saturn, they find themselves inside a bizarre world inhabited by centaurs, harpies, and constantly shifting environments