The Anomaly is a novel by French author Hervé Le Tellier. It revolves around an incident in June 2021 involving passengers on a flight from Paris to New York. The lives of a group of characters intertwine, each believing they are hiding a secret from others. The novel is a meticulously structured blend of logic and the extraordinary, exploring the hidden aspects of human nature and suggesting that 'the anomaly' can only be discussed within a strict system.