The Wolves of Mercy Falls Series Novels

Sinner (The Wolves of Mercy Falls 4) by Maggie Stiefvater
Forever (The Wolves of Mercy Falls 3) by Maggie Stiefvater
Linger (The Wolves of Mercy Falls 2) by Maggie Stiefvater
Shiver (The Wolves of Mercy Falls 1) by Maggie Stiefvater