Dark Return (Seeker, #2)
by Taryn Browning
Janie Grey is dedicated to hunting the undead, Then, there's Kai. He's like no one she's ever met - cocky, fast, skillful, infuriating and gorgeous.
Just when Janie thinks she's learned everything there is to know about Kai's mysterious past, there's a newcomer to Baltimore. Someone who will do anything to make sure Janie loses Kai forever.