Exit Ghost by Philip Roth

The novel follows Nathan Zuckerman, a reclusive writer who returns to New York City after a long absence for a medical procedure. As he navigates the bustling city, he becomes entangled in the lives of others, including a young couple seeking to swap homes with him and an old acquaintance embroiled in a literary feud. The story delves into themes of aging, memory, and the inevitable passage of time, as Zuckerman confronts his own mortality and the ghosts of his past while grappling with the complexities of human relationships and the ever-changing world around him.