EccentricscientistHarperlivesinaspookymansionwithallthetrimmings:hiddenlab,secretpanels,inscrutablebutler,andgreedyrelativeswithunusualtalents.WhenHarperseemstobemurdered,CharlieChan(withtheuninvitedh
elpofNo.4son)triestoanswersuchquestionsasWhere'sthebody?Howcanadeadmanwalk?Andhowcanasecretmurderbedoneinfullviewo......显示详情