<p>EccentricscientistHarperlivesinaspookymansionwithallthetrimmings:hiddenlab,secretpanels,inscrutablebutler,andgreedyrelativeswithunusualtalents.WhenHarperseemstobemurdered,CharlieChan(withtheuninvitedhelpofNo.4son)triestoanswersuchquestionsasWhere'sthebody?Howcanadeadmanwalk?Andhowcanasecretmurderbedoneinfullviewo...</p>
