内容简介
Amillenniumintothefuturetwoadvanceshavealteredthecourseofhumanhistory:thecolonizationoftheGalaxyandthecreationofthepositronicbrain.IsaacAsimov'sRobotnovelschronicletheunlikelypartnershipbetweenaNewYorkCitydetectiveandahumanoidrobotwhomustlearntoworktogether.DetectiveElijahBaieyiscalledtotheSpacerworldAuroratosolveabizarrecaseofroboticide.Theprimesuspectisagiftedroboticistwhohadthemeans,themotive,andtheopportunitytocommitthecrime.There'sonlyonecatch:Baleyandhispositronicpartner,R.DaneelOlivaw,mustprovethemaninnocent.Forinacaseofpoliticalintrigueandlovebetweenwomanandrobotgonetragicallywrong,there'smoreatstakethansimplejustice.ThistimeBaley'scareer,hislife,andEarth'srighttopioneertheGalaxylieinthedelicatebalance.