http://www.deadendstreets.com/the-new-girl-part-1/
Disclaimer: There is some language, and people get hot and bothered on more than once occasion.
It's a web-serial book, with the goodness that is vampires, werewolves, succubi, incubi and awesome writing. I do highly recommend it.
I've spent the last few nights on a bender reading it, which is no small amount as I think it surpasses many mainstream books in total length. Totally worth it.