From the back cover: "Thirteen-year-old Eva wakes up in the hospital unable to remember anything since the picnic on the beach. Her mother leans over the bed and begins to explain. A traffic accident, a long coma... But there is something, Eva senses, she is not being told, some other price she must pay to be alive at all. What have they done, with their amazing medical technology, to save her?"
Source · ISFDB CC BY 4.0