Goosebumps：Attack of the Mutant异性的攻击

He'snosuperhero....He'sasupervillain!SkipperMatthewshasanawesomecomicbookcollection.HisfavoriteoneiscalledTheMaskedMutant.It'saboutanevilsupervillainwho'souttoruletheuniverse!Skippercan'tgetenoughofTheMutant.Untilonedayhegetslostinastrangepartoftown.AndfindsabuildingthatlooksexactlylikeTheMutant'ssecretheadquarters.Abuildingthatappearsanddisappears!HasSkipperreadonetoomanycomicbooks?OrdoesTheMaskedMutantreallyliveinRiverviewFalls?