David A. Robertson 
Monsters [PDF ebook] 

‘;The ending…is so unexpected that readers will eagerly anticipate [the] third volume.’Kirkus Reviews Cole Harper is struggling to settle into life in Wounded Sky First Nation. He may have stopped a serial killer but the trouble is far from over. A creature lurks in the shadows of Blackwood Forest, the health clinic is on lockdown by a mysterious organization, and long-held secrets threaten to bubble to the surface. Can Cole learn the truth about his fathers death? Why wont Choch give him a straight answer? Where the heck is Jayne? Oh, and high school sucks.