Gone Girl, written by Gillian Flynn, is a gripping music mystery book that explores the dark complexities of a troubled marriage. On their fifth wedding anniversary, Nick Dunne's wife, Amy, goes missing under suspicious circumstances. As the police investigation unfolds, secrets and lies are revealed, painting a disturbing picture of their relationship. Told from alternating perspectives, Gone Girl keeps readers guessing until the shocking twist at the end. With its psychological depth and intricate plotting, this book is a page-turner that will leave you questioning the nature of love and trust.