It is the story of the Galactic Empire crumbling after twelve thousand years of rule & it is the particular story of psycho-historian Hari Seldon the only man who can see the horrors the future has in store a dark age of ignorance barbarism & violence that will last for thirty thousand years Gathering together a band of courageous men & women Seldon leads them to a hidden location at the edge of the galaxy where he hopes they can preserve human knowledge & wisdom against all who would destroy them Asimov went on to add numerous sequels & prequels to the trilogy building up what has become known as the Foundation series but it is the original three books first published in the Forties & Fifties which remain the most powerful imaginative & breathtaking