If I Stay Novel by Gayle Forman

The story of 17-year-old Mia Hall is written by Gayle Forman published in 2009. Mia tries to deal with events after a car accident killing her family and she is the only one to survive after coming out of a coma. She finds out that she is having an out-of-body experience where her soul has detached from her body. In the end her friend Adam reaches and begs her to stay so she changes her mind about leaving the world and returns to her body.