The House of Mirth is a realist novel written by Edith Wharton, published in 1905, which explores the life of Lily Bart, a young woman navigating the complex social dynamics of New York City's upper class. The novel examines themes of social class, gender roles, and the pursuit of happiness within the constraints of societal expectations. Through Lily's struggles and eventual downfall, the narrative critiques the moral and ethical standards of the society in which she seeks acceptance.