A Witch’s Blood

One vampire. One demon. One werewolf and I'm in the middle of it all.
One minute, I'm eighteen and thinking about getting out of this small town and going to college, the next I'm being taken by a vampire and told that I'm the key to stop the demon and vampires from taking over the world. They say that we're mates. They say that I'm to help their kind. Stop the war. Stop the destruction of all mankind.
Oh, and there's one secret that my family has been hiding for years….I just found out that I'm a witch