Destined by P.C. Cast and Kristin Cast
"...Zoey is finally home where she belongs, safe with her Guardian Warrior, Stark, by her side, and preparing to face off against Neferet – which would be a whole lot easier if the High Counsel saw the ex-High Priestess for what she really is. Kalona has released his hold on Rephaim, and, through Nyx's gift of a human form, Rephaim and Stevie Rae are finally able to be together – if he can truly walk the path of the Goddess and stay free of his father's shadow…"
Here's the awesome trailer for this book: