La Femme de Trente Ans (A Woman of Thirty) is a 1832 novel that belongs to the Scènes de la Vie Privée (Scenes from Private Life) subseries of La Comédie Humaine.
The protagonist Julie is attending with her ailing father one of Napoleon's reviews of his troops. It is after the debacle in Russia, but the Old Guard still knows how to put on a show. The lovely young girl is dazzled by Colonel Victor d'Aiglemont, a dashing young adjutant who gallops by. The father notices Julie's fascination and shakes his head anxiously, knowing that the young man is unworthy of her.
The novel focuses on the nature nature of law and grace on a backdrop of the history of France, the architecture and urban design of Paris, and the prevalent politics, moral philosophy, antimonarchism, justice, religion, and the types and nature of romantic and familial love.