Clara has known she was part-angel ever since she turned fourteen two years ago, but only now is her Purpose - the crucial rite of passage for every part-angel - becoming clear to her. Claras Purpose leads her family to Wyoming, where, amidst terrifying scenes of a bush inferno, she finds the boy of her visions, Christian. He is everything she could wish for - so why does she also have feelings for her enigmatic classmate Tucker? Clara discovers that her Purpose is only a small part of a titanic struggle between angels and their destructive counterparts, the Black Wings. And when the fire of her visions erupts and both Christian and Tucker are in danger, who will she choose to save? From debut novelist Cynthia Hand comes a riveting tale full of supernatural powers, forbidden romance, and the choice between fulfilling your destiny or following your heart.