In the Dark

Skyler Rivera is a girl who lost her parents and her brother was found dead after his father's death. On her birthday, at the age of 18 years, strange things are happening to her. Mysterious people turn in her life and she learns that she is actually not an ordinary girl. She is torn between a demon and and angel and she finds out that she has to make the choice that will change her life forever( description is a little stupid, I promise the book is way better)