2005 Camouflage by Joe Haldeman
Two aliens have wandered Earth for centuries. The Changeling has survived by adapting the forms of many different organisms. The Chameleon destroys anything or anyone that threatens it.
Follow Lois McMaster Bujold, one of the most honored authors in the field of fantasy and science fiction, to a land threatened by treacherous war and beset by demons -- as a royal dowager, released from the curse of madness and manipulated by an untrustworthy god, is plunged into a desperate struggle to preserve the endangered souls of a realm.
In the near future, disease will be a condition of the past. Most genetic defects will be removed at birth; the remaining during infancy. Unfortunately, there will be a generation left behind. For members of that missed generation, small advances will be made. Through various programs, they will be taught to get along in the world despite their differences. They will be made active and contributing members of society. But they will never be normal.
Shadow is a man with a past. But now he wants nothing more than to live a quiet life with his wife and stay out of trouble. Until he learns that she's been killed in a terrible accident.
2001 The Quantum Rose by Catherine Asaro
Kamoj Argali is the young ruler of an impoverished province on a backward planet. To keep her people from starving, she has agreed to marry Jax Ironbridge, the boorish and brutal ruler of a prosperous province. But before Argali and Ironbridge are wed, a mysterious stranger from a distant planet sweeps in and forces Kamoj into marriage, throwing her world into utter chaos.
2000 Darwin's Radio by Greg Bear
Ancient diseases encoded in the DNA of humans wait like sleeping dragons to wake and infect again--or so molecular biologist Kaye Lang believes. And now it looks as if her controversial theory is in fact chilling reality.
1999 Parable of the Talents by Octavia E. Butler
In seventeenth-century France, Louis XIV rules with flamboyant ambition. From the Hall of Mirrors to the vermin-infested attics of the Chateau at Versailles, courtiers compete to please the king, sacrificing fortune, principles, and even the sacred bond between brother and sister.
She awoke in an alley to the splash of rain. She was naked, a foot-long gash in her back was still bleeding, and her identity implant was gone. Lore Van Oesterling had been the daughter of one of the world's most powerful families...and now she was nobody, and she had to hide.