"Lost Illusions" is a novel by French author Honoré de Balzac, published in 1837. It is part of his larger work, La Comédie Humaine, which explores various aspects of society. The story follows a young poet, Lucien Chardon, who moves from the provinces to Paris in pursuit of fame and success, only to face the harsh realities of the literary world. The novel delves into themes of ambition, disillusionment, and the corrupting influence of money and power. As Lucien navigates the complexities of Parisian society, he grapples with the loss of his ideals and the sacrifices he must make to achieve his dreams.