"The Boggart" is a children's novel written by Susan Cooper. It tells the story of a mischievous spirit that causes trouble for a family living in a remote English house. The Boggart is known for its ability to create chaos and confusion, often playing tricks on the unsuspecting inhabitants. As the story unfolds, the family learns to understand the Boggart's nature and the reasons behind its antics. Through their experiences, they discover themes of friendship, acceptance, and the importance of understanding others, even those who may seem frightening at first.