The Great Gatsby is a novel by F. Scott Fitzgerald, set in the 1920s during the Jazz Age. It follows the story of Jay Gatsby, a mysterious millionaire, and his obsession with the beautiful and unattainable Daisy Buchanan. The novel explores themes of wealth, love, and the American Dream, while also providing a critique of the decadence and shallowness of the upper class. With its lyrical prose and vivid portrayal of the Roaring Twenties, The Great Gatsby is considered a masterpiece of American literature.