Over the span of forty two years
IsaacAsimov created an epic of Galactic proportions: he showed us the rise and fall of the largest human Empire ever. It consists of seven novels, which although they can be read separately, are closely linked to one another.
/PreludeToFoundation
/ForwardTheFoundation?
/Foundation?
/FoundationAndEmpire?
/SecondFoundation?
/FoundationsEdge
/FoundationAndEarth