Melody Beattie literally 'wrote the book' on codependency. B eattie's signature work, Codependent No More , has more than four million copies in print and is considered the 'go to' text for anyone struggling with family addiction issues. For two decades, Melody Beattie's best-selling books about addiction, recovery, and self-help have endeared her to millions of readers who long for healthier relationships. Her most recent book, The Grief Club , is a profoundly healing guide to getting through life's issues.