The "Codependents' Guide to the Twelve Steps" by Melody Beattie is a vintage paperback self-help book published in 1990 by Simon & Schuster. This guide, intended for adults, focuses on codependency and Twelve-Step Programs. Written in English, this nonfiction book offers a comprehensive look at overcoming codependent behavior through a step-by-step process. With its insightful narrative and helpful guidance, this self-help book is a valuable resource for those seeking to understand and address issues related to codependency.