This is a short fast read in which teen Calvin begins to experience the first symptoms of schizophrenia. He sees and here's Hobbs of Bill Watterson's comic strip talking to him, walking with him. Calvin gets it into his head that if he walks across frozen lake Superior from Canada to the author's home and talks to him that everything will be fixed. His best friend Susie sticks with him through the beginnings of his illiness, his hike across Superior and the pair nearly perish. Help comes in the nick of time. We do not know in the end how Calvin's life will turn out or if Susie will maintain her loyalty to Calvin but we do get a sense of what it might be like to descend into mental illness.