"The Invisible Life of Addie LaRue" is a novel by V.E. Schwab that follows the story of a young woman named Addie LaRue in 18th-century France. Desperate to escape an arranged marriage, she makes a deal with a dark spirit, granting her immortality but cursing her to be forgotten by everyone she meets. As centuries pass, Addie navigates life in a world where she leaves no mark, struggling with loneliness and the desire for connection. Her life changes when she meets Henry, a man who remembers her, leading to a profound exploration of identity, love, and the impact of existence.