The Last Keeper (The Keepers' Chronicles #1)

Serenity Cardea's race has been hunted to near extinction. She's a Keeper, with the ability to influence others, including those immortal beings who want dominance over the world. Ray Synclair is a history professor in training with a passion for times past. Fascinated by Serenity, he has no idea that the world is filled with immortals, most of whom want him dead. Because the only way to kill a Keeper is to kill their partner...