The Picture of Dorian Gray is a novel by Oscar Wilde that explores the themes of decadence and the fin-de-siècle. It tells the story of a young man named Dorian Gray who remains eternally youthful while a portrait of him ages and reflects the corruption of his soul. Wilde's novel is a masterpiece of aestheticism, examining the pursuit of pleasure and beauty in a society obsessed with appearances. With its rich prose and provocative themes, The Picture of Dorian Gray is a must-read for anyone interested in the decadent literature of the fin-de-siècle.