Black Ice by Becca Fitzpatrick 400 pages

Britt has been training to hike the Teton Range over spring break with her best friend Korbie. Britt knew that Korbie's boyfriend Bear was going to join them, but she was unprepared for Korbie's brother, Calvin who is Britt's ex-boyfriend. As Britt and Korbie head up to the mountain, they get stuck in a snow storm in the middle of the road. The girls decide to get out and look for help. They come across a cabin where two men are staying. At first, they seem like they are going to help until the hold the girls hostage. Britt is forced become their guide off the mountain. Britt must do what she has to, to survive. She tries to escape, but is caught by Mason. When they walk back to the cabin where they were staying, Britt sees Calvin kill her other kidnapper. Britt just thinks that Calvin is worried about her and will do anything to find her. But when Britt arrives to Korbie's and Calvin's family cabin, learns a secret while on the  her in more danger than before. Who will make it off the mountain alive?