"The Catcher in the Rye" is a novel written by J.D. Salinger, published in 1951. It follows the story of Holden Caulfield, a teenager who has been expelled from several prep schools. The narrative is set in the 1950s and explores themes of alienation, identity, and the challenges of growing up. Throughout the book, Holden wanders around New York City, reflecting on his experiences and relationships. He expresses a deep desire to protect the innocence of children, symbolized by his dream of being the "catcher in the rye," who saves children from losing their innocence as they transition into adulthood.