Continuum

A girl who dreams of the future, Fallon Pierce is haunted by her past. At 17, she has given up on ever fitting in at her small town high school, resigning herself to a life in the background. How could she pass for normal when she’s hiding a dangerous secret that no one on Earth--from Earth--could ever understand?
When Ethan Hayes moves to Everest Heights after his parents’ divorce, he is looking to start a new, less complicated life. He is enraptured by the mysterious and lonely Fallon. Despite the fact that it’s selfish and reckless to want Ethan in her life, Fallon is drawn to him. For the first time in a long time, she starts to feel again--but her secret proves to be deadlier than she ever dreamed.