This document summarizes Julian Barnes' novel "The Sense of an Ending". It discusses how memory plays a vital role in the story. The novel is divided into two parts - Memory and Documentation. Through the narrator Tony's recollections of his school days and relationship with Veronica, the reader sees how Tony understands his past through selective and flawed memory. In the second part, Tony receives a mysterious letter that challenges his understanding of past events. The document argues that through an unreliable narrator, Barnes examines how people shape their identity and understanding of history through imperfect memory.