E. M. Holloway 
The Line In the Sand [EPUB ebook] 

Justin St. John is the leader of the Lycan Tribunal, the most powerful and influential werewolf in the world. When he goes missing, his mate comes to Puck for help finding him. What seems to be a simple search and rescue ends up having more twists and turns than Puck had anticipated. Before long, he“s in over his head with the local contingent of hunters, who suspect him of murder.