"The Go-Between" is a novel by L.P. Hartley, published in 1953. The story is set in the early 1900s and follows a young boy named Leo Colston who becomes a messenger between two lovers, Marian Maudsley and Ted Burgess. As Leo navigates their secret relationship, he unwittingly becomes entangled in adult emotions and the complexities of love. The narrative explores themes of innocence, betrayal, and the loss of childhood. Leo's experiences during a summer at Marian's family estate lead to significant personal revelations, ultimately shaping his understanding of relationships and the consequences of his role as a go-between.