Pebble in the Sky Author:Asimov When Joseph Schwartz walked past the Institute for Nuclear Reasearch in Chicago, he raised one foot in the twentieth century and lowered it in Galactic Era 827. He was still on Earth, but a time when mankind had colonised the Galaxy, and the people of the home planet were outcasts, clinging to the soil of a radio-active world. — A revolution of ... more »Earth's militarists threatened the Galactic Empire with chaos and strangely, Schwartz found himself the only man who could avert disaster.« less