Nobody’s Perfect, by Marlee Matlin. A great book for siblings and disability acceptance! A new girl starts at school, and seems very aloof, despite the others trying to be friendly. She seems to be nearly perfect at everything, and it’s only late in the book that it’s revealed that she has an autistic brother, who she is initially ashamed of. One of her classmates, who is deaf, begins teaching the boy sign language, to the delight of his family, and his sister learns to accept disabilities.