Anne McCaffrey

The greatest dream of the dragonriders was to find a way to eradicate Thread completely, so that never again would their beloved Pern be threatened with destruction.

Two hundred years after the first Threadfall, the people of Pern are preparing for the return of the deadly plague, this time armed with the highly-trained fire-lizards that were developed specifically to fight Thread, but Lord Holder Chalkin of Bitra refuses to heed warnings about the coming onslaught and his disbelief could spell disaster.

A band of renegades, led by Lady Thella, rose from the ranks of criminals and the disaffected and pursued Aramina, who had a telepathic link to the dragons, as their quarry.

Yana and Sean send their twin son and daughter, Ronan and Murel, to a space station to protect them from a scientist who wants to know how they can change into seals, unaware that the children want answers to the same question and may endanger themselves searching for the answer; and Sean dives into the depths in seal form to investigate bizarre changes to the planet.

Yanaba Maddock felt she qualified to be Petaybee's spokesperson and she had to prove the planet was worth more to the company alive than dead.

Khorii, a gifted young healer, her brother, and human survivors of the planet Paloduro struggle to devise a vaccine to combat the deadly plague sweeping the universe.

On the planet of Pern, a small white dragon and his rider prove their value as destroyers of Threadfire.

A beautiful woman with psychic talents combines her abilities with the psychic man she loves to become the most powerful team in all the inhabited worlds.

Killashandra Ree was trapped by the crystal singer. Only by reclaiming her past and memory could she go into the future.

Damia and Afra must use their telephatic powers and love to save Deneb from an alien invasion.