Kimberly Van Meter: 2 books

Isabella Beckett is a top-level scientist on a mission -- to study and destroy vampires. So when Julien de Valsan falls into her clutches, she wastes little time in taking him apart. Fueled by a need for vengeance due to the death of family at the hands of vampires, she refuses to feel anything...

Laurel Kenning is through with love; the last boyfriend put her through the wringer and she's got the police report to prove it. From now on, she's out for the good time, not the ring. But when Aidan Jones pops into her life, she finds herself fighting to remember all the good reasons she wanted to remain footloose and fancy-free.