Lake Child by Isabel Ashdown

Eva Olsen, just 17 years old, wakes to find herself in the attic of her house bedbound after a horrific accident. Her devoted parents are by her side looking after her. Unfortunately her memory of the accident and the events leading up As she starts to get stronger she realises that she has been locked in. Why is she in the attic and not in her bedroom? Why has she been locked in? Why aren't her best friends visiting her? Eva is determined to find out what is going on, and who she can trust.