The Darkness Within — Kelly Hashway

Seventeen-year-old Samantha Thompson struggles to figure out how to deal with her new powers and the fact that she was brought back from the dead. Life should be getting better for her, but her boyfriend, Ethan, is also a new witch and his powers are out of control. Sam can't help wondering if the source of Ethan's powers will end up corrupting him. Can she find out what's wrong with him before she loses him to dark magic forever?