The Adoration of Jenna Fox by Mary E. Pearson

Novel by Mary E. Pearson. Brief summary: Who is Jenna Fox? Seventeen-year-old Jenna has been told that is her name. She has just awoken from a coma, they tell her, and she is still recovering from a terrible accident in which she was involved a year ago. But what happened before that? Jenna doesn't remember her life. Or does she? And are the memories really hers?