Come Twilight — Chelsea Quinn Yarbro

Beginning in the 600s, Spain's old blood rituals of animal sacrifice were replaced by the new gods of Christianity and Islam, who demanded no less obedience and allegiance. Saint-Germain becomes trapped in this cauldron of blood, fear, and faith when, he makes a vampire of the beautiful, haughty, tempestuous Csimenae.

Csimenae kills without mercy. She makes vampires without a second thought; and they,

For five hundred years, as waves of war and religion sweep over Spain, Csimenae hunts until her marauding, willful ways expose her vampiric nature. Saint-Germain's centuries of life have taught him that to fall out of step with history is to risk the True Death, a fate Saint-Germain wishes for none of his kind. He must try to save Csimenae-and her clan-but at what price?