This is the first in the "Finding Justus" series:

Layla Justus is a young girl who moves to Providence, RI with her father, a history professor at Brown University. Layla has strange run-ins with a captivating young man, Orrin Darringer. He makes her blood boil and temper rage, yet she can't seem to stay away from him. He is drawn to her as well.
Orrin reveals hidden secrets into Layla's past and helps her uncover her own birthright as a Beacon. Together they battle beings from heaven and hell to stay togther and stay alive.
This is the beginning of a long journey Layla will embark upon to discover her that own choices will either save the world she knows or bring it to an end. Unfortunatley she will have to do it alone.