"The Little Friend" is a novel by author Donna Tartt, published in 2002. The story follows a young girl named Harriet Cleve Dufresnes as she investigates the mysterious death of her brother, Robin, who was murdered when she was just a child. Set in a small town in Mississippi, the narrative explores themes of family, loss, and the complexities of childhood. As Harriet delves deeper into the investigation, she encounters various characters, including her troubled family members and the local community. The novel combines elements of mystery and coming-of-age, showcasing Harriet's determination and resilience in the face of tragedy.