Isaac Asimov: Perbedaan antara revisi

** ''Robots and Empir]'' ([[1985]])

** ''The Positronic Man'' ([[1993]])

* ''Galactic Empire series'':

** ''Pebble in the Sky'' ([[1950]])

** ''The Stars, Like Dust'' ([[1951]])

** ''The Currents of Space'' ([[1952]])

* ''Foundation series'':

** ''Foundation'' ([[1951]]), ISBN 0-553-29335-4