Rough-Face Girl met the sister of the Invisible Being at the lakeshore, proved she had seen the Invisible Being by, and passes the test. Her skin grew smooth again and her beautiful black hair grew in long and glossy as a raven's wing. Now anyone could see that she was, indeed, beautiful. But the Invisible Being and his sister had seen that from the start. Like all literature, the purposes of traditional literature are to provide pleasure, to increase understanding of the world, and to help readers identify with common human struggles.
Children believe inanimate objects have consciousness, and accept a human consciousness in animals.
Children enjoy the action, the clearly defined characters, to triumph of good over evil. It provides hope. It helps children learn about human problems. It helps children feel less alone. It broadens cultural experiences.