Anne McCaffrey

Xhinna, the first female Weyrleader, and her group of young dragonriders struggle to rebuild the decimated dragon population and protect the world from a deadly alien spore by collecting dragon eggs and protecting baby dragons from predators and saboteurs.

Nancia is her name, NX-928 her designation. Enter a future world in which brains are connected to computers to help run cities and ships; brainless bodies or brawn do the physical work. In the second book of the Brainship series, a new "shellperson"-someone born with grave physical disabilities that required her human body to be encased in a massive titanium column-is provided a direct link between her mind and the computer of her ship, XN-935. Nancia...

Weyrwoman Fiona struggles to keep her surviving Weyr in fighting shape while Lorana plans a complicated time-travel journey to save their world.

All seems well on Pern until a mysterious ailment strikes killing myriads of holders, craftsmen, and dragonriders. Pern is left in mortal danger with no one to rise to char the prarasitic Thread. The dragonriders of Pern are in danger from a mutated strain of influenza.

Human agents infiltrate the Hivers, an aggressive alien race of insectoid species, to study their culture and defeat them. Or better still, learn to communicate with them and reach a modus vivendi.

As Earthmen on the planet Catteni prepare to return to their home planet, Kris Bjornson faces a dilemma. She would give anything to see Earth, but this would mean abandoning her love, the Catteni renegade, Zainal, who helped her fellow Earthmen survive.