"The Jolly Corner" is a ghost story written by Henry James, first published in 1908. The story follows Spencer Brydon, a wealthy American expatriate who returns to his childhood home in New York City after many years abroad. Brydon becomes obsessed with the idea that he has a doppelgänger, a version of himself who chose to stay in America and pursue wealth rather than travel the world and seek spiritual fulfillment. As Brydon explores the now-empty house, he becomes increasingly convinced that his doppelgänger, whom he calls "the other fellow," is haunting the place. He begins to feel a sense of competition and confrontation with this other version of himself, leading to a psychological battle over identity, ambition, and regret. The story delves into themes of duality, self-discovery, and the consequences of one's life choices. It's often considered one of James's finest ghost stories and a masterpiece of psychological fiction.