Originally Published In 1939, This Is The "Book Of Experience" From Which The Fellowship Derived Its Name. It Contains An Analysis Of The Principles Which Led To The Sobriety Of The Earliest Members, Together With A Representative Cross Section Of Members Personal Stories. The Second Edition (1955) Added New Personal-Experience Material, But Retained The Opening, Explanatory Chapters, Unchanged. The Same Course Was Followed For The Third Edition (1976) and Fourth Edition (2001).