The Second Foundation meets the threat of a perilous mutant, only to face the challenge of the corrupt First Foundation for control of the galatic empire.
The development of robot technology to a state of perfection by future civilizations is explored in nine science fiction stories
In the year 12,020 G.E., Hari Seldon arrives in the domed city of Trantor and begins to develop his theory of psychohistory, which predicts the rise of a power greater than the Empire.