Girl who Fell to Earth

Aria lives ona well-ordered planet whose people have eradicatedillness and even death.Earthis their 'shadow planet' whichtheypopulated with humans centuriesago so they could study them and learn from their experiences. Now the experiment is coming to an end and Aria must go toEarthwith her scientist father to set off a train of events which will destroy its people. Brought up to believe thathumans are inferior,Aria is shocked todiscover that she is herself half human, and amazed to findthatEarth-dwellerslive life to the full and feel love for each other, even though they are mortal. But once she understands this, howcan she save them, and herself,from destruction?