The Planet Savers audiobook - part 2/2

The Planet Savers audiobook by Marion Zimmer Bradley (1930--1999) 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. (Introduction by Mark Nelson)