Iron Kissed by Patricia Briggs

Mercy Thompson is a shapeshifter. Not a werecoyote, a shapeshifter coyote. She is also loyal to the core.
Zee, Mercy’s longtime friend, asks Mercy to go to the fae reservation, locally known as Fairyland, to help investigate odd murders. Fae are being murdered – it’s up to three now. As a coyote, Mercy [...]

Moon Called by Patricia Briggs 04/28/08

This is the first of a series but not Briggs’ first book.  Mercy Thompson is a walker – not a wereanimal but a shapeshifter – a coyote.  She’s all too involved with the werewolves, not to mention the local vampires.
It’s a good story, full of action but occasionally it’s hard to track who is who.  [...]