A millennium into the future two advancements have altered the course of human history: the colonization of the galaxy and the creation of the positronic brain. Isaac Asimov's robot novels chronicle the unlikely partners...A millennium into the future two advancements have altered the course of human history: the colonization of the galaxy and the creation of the positronic brain. Isaac Asimov's robot novels chronicle the unlikely partnership between a New York city detective and a humanoid robot who must learn to work together.