Hattie Big Sky / Hattie Brooks, a sixteen-year-old who has tired of being among relatives she hardly knows, receives a letter from her uncle, who has died. He leaves her all of his land, and Hattie travels to his farm in Montana to start life as a homesteader. In the book we learn about Hattie through her letters to her friend Charlie who is at war, and to her Uncle Holt.
