"La Nouvelle Héloïse" is a novel written by Jean-Jacques Rousseau in 1761. It is an epistolary work, meaning it is composed of letters exchanged between the main characters, Julie and Saint-Preux. The story explores themes of love, nature, and the conflict between personal desires and societal expectations. The novel is set in the picturesque landscape of Switzerland and reflects Rousseau's ideas about the importance of emotions and individual experience. It became highly influential in the Romantic movement, inspiring later writers and thinkers to explore similar themes in their works.