In Prelude to Foundation, Isaac Asimov delves into psychohistory's…

In the prequel Prelude to Foundation, Isaac Asimov takes us back to see how psychohistory, the science that saved humanity, was born — and it's kind of a crazy ride. Knife fights, mustaches, and high-level math await! » 5/14/11 12:00pm 5/14/11 12:00pm