Retribution (Dark-Hunter Series #15) by Sherrilyn Kenyon

Orphaned as a child and raised by vampires, Abigail Yager lives for one purpose, and one purpose only: To avenge the deaths of vampires everywhere. To destroy the merciless Dark-Hunters who stalk and kill her adoptive race. But most of all, to find the one man responsible for brutally murdering her family: the ex-gunslinger Jess "Sundown" Brady…



Resurrected from death by a vengeful Greek goddess, Jess must hunt and destroy the creature who's assassinating Dark-Hunters. The last thing he expects to find is a human face behind the killings—and especially one resembling the human who'd murdered him centuries ago. Jess knows he's not the one who slaughtered Abigail's parents. But now he must convince her of his innocence—and cross the abyss between human and vampire—before the darkest of powers rises to destroy them both…