Laurell K. Hamilton 
Obsidian Butterfly [EPUB ebook] 

‘I was covered in blood, but it wasn’t mine, so it was okay.’ Edward is a hit man. He specialises in monsters. Vampires, shape-shifters, anything and everything. There are people like me, Anita Blake, who do it legally, but Edward doesn’t sweat the legalities or, hell, the ethics. He is an equal opportunity killer. I may be one of the few friends that Edward has, but it’s like being friends with a tame leopard. It may curl on the foot of your bed and let you pet its head, but it can still eat your throat out…