Melody Beattie is the author of numerous best-selling books, including "Playing It by Heart," "Stop Being Mean to Yourself," "Codependent No More," "Beyond Codependency," "The Language of Letting Go," "Codependents' Guide to the Twelve Steps," & "The Lessons of Love." Beattie's writing draws on the wisdom of Twelve Step healing, Christianity, & Eastern religions. Her loyal readers continue to find her books accessible, practical, & filled with universal truths. She lives in Malibu, California.Mary Henle is Professor Emeritus in the Department of Psychology, Graduate Faculty, at the New School for Social Research. She is editor of The Selected Papers of Wolfgang Kohlerand of Vision and… Artifact,and coeditor of Historical Conceptions of Psychology.