Isaac Asimov’s Robots and Aliens 2

Essays by Isaac Asimov complement a pair of Robot City adventures, including Intruder, in which the machinery of Robot City goes awry, and Derec Avery sets out to eliminate the source of the reprogramming, and Alliance, in which Derec restores the original Robot City, but now faces three subversive robots plotting a robot revolution that threatens to destroy the city. Original.