The Far Ends of Time and Earth (The Collected Fiction of Isaac Asimov, Volume 1)

Some of the earliest fiction of Isaac Asimov is set on a futuristic Earth -- on the Day of Judgment; during the reign of the Eternals; at a time when Earth is radioactive and an outcast from the rest of the universe. Containing two classic novels, Pebble in the Sky and The End of Eternity, and a short story collection, Earth Is Room Enough.