"Frau Bovary" by Gustave Flaubert is a novel published in 1856-1857. Emma Bovary, a young woman trapped in provincial life, yearns for luxury and romance inspired by her beloved novels. Married to a modest country doctor, she seeks escape through infatuation and affairs while accumulating devastating debts. This seminal work of literary realism sparked an obscenity trial that made it notorious before becoming a bestseller and one of the most influential novels in history.
Wikipedia page about this book: en.wikipedia.org/wiki/Madame_Bovary