Gone Girl, written by Gillian Flynn, is a psychological crime mystery that will keep readers guessing until the very end. The story revolves around Nick Dunne, whose wife Amy goes missing on their fifth wedding anniversary. As the investigation unfolds, secrets and lies are revealed, painting a disturbing picture of their seemingly perfect marriage. With its unreliable narrators and shocking twists, Gone Girl is a gripping and thought-provoking read for fans of crime mystery books.