The Gaea Trilogy consists of three science fiction novels by John Varley. The stories tell of humanity's encounter with a living being in the shape of a 1,300 km diameter Stanford torus, inhabited by many different species, most notably the centaur-like Titanides, in orbit around the planet Saturn.
The novels are: Titan (1979) Nebula Award nominee, 1979; Hugo Award nominee, Locus Award winner, 1980 Wizard (1980) Hugo and Locus Award nominees, 1981 Demon (1984) Locus Award nominee, 1985
References
External links The Gaean Trilogy at Worlds Without End Gaea the Mad Titan fan site of the Gaean Trilogy