The Picture of Dorian Gray by Oscar Wilde is a novel is about a man whose process of ageing is switched with a portrait of himself, meaning that Dorian would stay young forever while the picture reveals his true age and his sins. Overall, The Picture of Dorian Gray is a compelling story about ego and how it can lead to narcissism. If you enjoyed this book, you may also find interest in The Importance of Being Earnest by Oscar Wilde.