A deadly epidemic is spreading over the land of Pern and Nerilka secretly leaves home to take supplies and medicine where they are needed.

The barque cats, mistaken for a public health hazard, flee Earth for the feline-dominated planet, Mau, with the help of Pshaw-Ra, a mysterious cat with his own spaceship. Oddly, no one--including the humans--is bothered that he plans to take over the universe on behalf of felinekind.

Dragonsdawn -- Deadly spores threaten the human colony of Pern unless the colonists, with help from geneticist Kitti Ping, can develop fire-breathing dragons to combat the menace. Dragonseye -- On the planet Pern, two farseeing dragon riders train their troops--mounted on genetically engineered dragons--for the battle with the Thread, an evil force. Portents of all sorts, including violent storms and erupting volcanos, point to the Thread's coming,...