First Witch - The Awakening Series, #2

If discovering you come from a long line of witches wasn't left-field enough, Georgia soon learns that she has a target on her back in the form of a witch hunter. Should be easy enough to deal with considering her new vampire status, but she soon discovers she'd misjudged the hunter, and he is a greater foe than she'd ever imagined. When the hunter possesses her boyfriend's body in an effort to take down Georgia's entire coven, things get even more complicated.
She can't defeat the one she fears the most without harming the one she loves. Stuck between a rock and a hard place Georgia has to rely on her wits and mysteriously changing magic to save herself and everyone she holds dear. or die trying.