The Adoration of Jenna Fox by Mary E. Pearson

Seventeen-year-old Jenna Fox awakes from a long coma and learns she’s been in a terrible accident.  Remembering only bits and pieces of her previous life, she learns that many secrets are being hidden from her.  Why has her family moved from Boston to California?  Why does her grandmother act so distant?  Why are her parents so evasive when she asks about the accident?  Why isn’t she allowed to go to a normal school?  Why don’t her old classmates write her?  Jenna determines to solve the mysteries surrounding her new life, not realizing what is at risk.