Blood Bound by Patricia Briggs.
I really enjoyed reading Ms. Briggs book Moon Called, the first book in the Urban Fantasy Mercy Thompson series, partly because I love werewolves. So I was looking forward to this one. In this book, she delved more into her vampires, but the werewolves were still quite present. She explores more of Mercy's powers, which as a walker just means she is able to turn into a coyote and is very fast... Or does it? A little more about her can be found in my Skinwalkers blog below. I recommend this book to anyone who enjoys werewolf or shapeshifter books. This week I've been working on my work-in-progress's synopsis, but I had a hard time setting down this book down! I thoroughly enjoyed it.