The Picture of Dorian Gray is a novel by Oscar Wilde, published in 1890. It tells the story of a young man named Dorian Gray who remains eternally youthful while a portrait of him ages and shows the effects of his immoral actions. This book explores themes of decadence, beauty, and the corrupting influence of society. Wilde's witty and provocative writing style makes this novel a classic of the fin-de-siècle period.