The Plain Language Big Book is a tool to help readers understand the book Alcoholics Anonymous, which was first published in 1939. This new book is designed so that the A.A. Twelve Step program of recovery from alcoholism may be easily understood by all people who have a desire to stop drinking. The Plain Language Big Book has been written to present the original ideas and same spiritual message of the Big Book, Alcoholics Anonymous in simpler language. The Plain Language Big Book covers the core content of what is the “abridged version” (the edition without personal stories) of the original Big Book. This book is General Service Conference-approved literature. This book has been published in accordance with Advisory Actions passed by substantial unanimity of the General Service Conference (GSC) of Alcoholics Anonymous. The final draft of the Plain Language Big Book was reviewed and approved by substantial unanimity at the 74th GSC, in April 2024.