Back to Methuselah (A Metabiological Pentateuch) by George Bernard Shaw consists of a preface (An Infidel Half Century) and a series of five plays: In the Beginning: B.C. 4004 (In the Garden of Eden), The Gospel of the Brothers Barnabas: Present Day, The Thing Happens: A.D. 2170, Tragedy of an Elderly Gentleman: A.D. 3000, and As Far as Thought Can Reach: A.D. 31,920.