Ισαάκ Ασίμωφ

One moment Joseph Schwartz is a happily retired tailor in Chicago, 1949. The next hes a helpless stranger on Earth during the heyday of the first Galactic Empire.Earth, as he soon learns, is a backwater, just a pebble in the sky, despised by all the other 200 million planets of the Empire because its people dare to …