The Planet Savers is a science fiction novel by American writer Marion Zimmer Bradley, part of her Darkover series.

The Planet Savers takes place at least 152 years after the events described in Rediscovery.

The Terran colony on the planet Darkover faces imminent destruction by a plague of the deadly Trailmen's Fever. The only hope is to develop a serum in time, but this requires the cooperation of the elusive native Trailmen, the brilliant parasitologist Dr. Jay Allison, and his split personality. 

The Planet Savers was first published in book form in 1962. The story first appeared in the November 1958 issue of the magazine Amazing Stories.

Also available as audiobook, total running time: 3 hours, 9 min. Reading by Mark Nelson.

Marion Eleanor Zimmer Bradley (1930-1999) was an American author of fantasy novels such as The Mists of Avalon and the Darkover series.