The vanishing season
Author: Anderson, Jodi Lynn.
Girls started vanishing in the fall. For Maggie Larsen, the town of Gill Creek is only a stopgap before college and freedom. Until she meets Pauline and Liam. What starts as an uneventful year suddenly changes. Someone is killing teenaged girls, and the town reels from the tragedy. As Maggie's and Pauline's worlds collide and change around them, they will both experience love and loss. And by the end of the book, only one of them will survive