Undeniable and Undone (Undone Series, #5)

Rosemary Everspark, a witch who's been avoiding using magick since her elder sis and mother went down a dark path abusing their family's dark grimoire, must reawaken her powers to catch a killer and save the world from an apocalypse, all the while fighting her feelings for the irresistible vampire/demon hunter Jesse Jackson.

After her mother was murdered on Rose's ninth birthday by her vampire boyfriend, Rose develops a hatred for more than just dark magick; she despises bloodsucking vamps ...