Pebble in the Sky

The third and final book in the Galactic Empire series, the spectacular precursor to the classic Foundation series, by one of history’s most influential writers of science fiction, Isaac Asimov  After years of bitter struggle, Trantor had at last completed its work—its Galactic Empire ruled all 200 million planets of the Galaxy . . . all but one. On a backward planet called Earth were those who nurtured bitter dreams of a mythical, half-remembered past when the planet was hum