The authorized sequel to Arthur C. Clarke's science fiction classic Against the Fall of Night, set on a dying planet Earth millions of years in the future. In Against the Fall of Night, a young man named Alvin ventures beyond the domed city of Diaspar to explore a planet Earth left nearly barren by a centuries-old cataclysm. What he discovers is the thriving rural civilization of Lys and an insane non-corporeal being known as the Mad Mind-a danger...