WFoundation seriesWThe Alternate AsimovsWThe Caves of SteelWThe Complete RobotWThe Currents of SpaceWForward the FoundationWFoundation (Asimov novel)WFoundation and ChaosWFoundation and EarthWFoundation and EmpireWFoundation's EdgeWFoundation's FearWFoundation's TriumphWI, RobotWIsaac Asimov's CalibanWIsaac Asimov's InfernoWIsaac Asimov's UtopiaWThe Naked SunWPebble in the SkyWPrelude to FoundationWPsychohistorical CrisisWThe Rest of the RobotsWRobot DreamsWRobot seriesWRobots and EmpireWThe Robots of DawnWSecond FoundationWThe Stars, Like Dust