Gone Girl, written by Gillian Flynn, is a dark and twisted thriller that explores the complexities of a toxic marriage. On their fifth wedding anniversary, Nick Dunne's wife, Amy, goes missing, and all the evidence points to Nick as the prime suspect. As the investigation unfolds, secrets and lies are revealed, and the true nature of their relationship comes to light. This gripping novel will keep you hooked with its unpredictable plot twists and morally ambiguous characters.