Velocity (Gravity Series #4)
The final book in the “Gravity” series.
The end is finally here. After being threatened by Phillip Rhodes, Ariel confronts her father and finds out just how deeply the conspiracies in town run. She discovers more about what she is and where she came from.
Gathering an opposition against Thornhill, they must stop the cult from performing a final ritual that will plunge the town into Dark forever.