Final Girls by Riley Sager
Final Girls (2017) by Riley Sager is an intense, fast-paced psychological suspense. Quincy is a "final girl," the only survivor of a college camping trip gone wrong. 10 years later, when another "final girl" who survived her own horror story, Lisa, is found dead, Quincy reconnects with Samantha, a third "final girl" who is just as interested/horrified to learn of Lisa's fate.