"What Maisie Knew" is a novel by James Henry, which tells the story of deep childhood experiences and growth in the conditions of complex family relationships. The main character, a little girl Maisie, faces the breakup of her parents' marriage and feels the negative consequences of this situation. The author successfully reproduces the children's world of perception, where reality is combined with imagination and emotions. "What Maisie Knew" is a subtle psychological portrait of a child who is forced to search for her own identity and understanding of family relationships.