mental illness
One of the main themes in the book is mental illness. The main character is plagued by schizophrenia and this disorder has completely set the scene for the book. All throughout the story Caden learns how to navigate his disorder.
self discovery
Not only does Caden discover himself and how to live with his disorder, his family and friends learn how to help and handle him.At the ending of the book Caden accepts his disorder and understands that it will not go away but learns how to live with it.