Cremer, Andrea R. <br/><br/>
Nightshade / 
Andrea Cremer. 
 - New York :  Philomel Books,  2010. 
 - 454 p. ;  24 cm. 
<br/><br/> Calla and Ren have been raised knowing it is their destiny to mate with one another and rule over their shape-shifting wolf pack, but when a human boy arrives and vies for Calla's heart, she is faced with a decision that could change her whole world. 
<br/><br/><label>ISBN: </label>9780399254826 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Supernatural--Fiction