Bastien is eight years old, and his mother is ill. She often has what his father and grandparents call "episodes." She screams and fights, scratches and spits, and has to be carted away to specialized clinics for frequent treatments. Bastien doesn't like it when she goes, because when she comes home, she isn't the same. She has no feelings, no desires, and not much interest in him. According to the doctors, Bastien's mother suffers from "bipolar disorder...