Iron Kissed Mercy Thompson Series, Book 3.

"Expect to be spellbound"* by Patricia Briggs's #1 New York Times bestselling series starring Mercy Thompson. Being a lowly "walker" in a world of vampires, werewolves, and fae once kept her safe. But Mercy's bark-and bite-are not so harmless any more... Though Mercy can shift her shape into that of a coyote, her loyalty never wavers. So when her former boss and mentor, Zee, asks for her help, she's there for him. A series of murders has...