The Book Vixen has a book giveaway up: the book is called The Last Slayer. Sounds like an interesting book. Visit the Book Vixen to to read a guest post by the author of The Last Slayer, as well as a description of the book.
To enter the giveaway, you must answer a question from the author. You can also earn more entries by Tweeting about the giveaway. Go check it out.