Cold Blood: The Zaroi Chronicles

Violet Hennessy is in a waking nightmare. Ever since she discovered the nature of her true race, a species of vampires named the Callicantzaroi, she has been plagued with terror and tragedy...
Not only is she struggling to come to terms with the disappearance of her mother, but more of Violet's loved ones are going missing, and she knows exactly who has taken them...
Now, Violet must find it within herself to stay strong, and save those who have been captured by the evil Lamiae, before it's too late...