"Mystery fiction." . . . . . . . . . . . . . . . . . "The Secret Seven follow-up on strange happenings at Torling Castle."@en . "There are strange happenings at Torling Castle. Who is lurking in the ruined tower--and why have the resident jackdaws been disturbed?" . "Good old secret seven" . "Good old secret seven"@en . . . . "Children's stories" . "Children's stories"@en . . . . . "Good old Secret Seven [performed by cast]"@en . . . . . . . . . "Els formidables minyons del Club dels Set" . . "Le Télescope du Clan des Sept" . "Juvenile works"@en . "Juvenile works" . . . "Mystery fiction" . "Mystery fiction"@en . "Le téléscope du clan des sept" . . . . . . . . . "Adventure fiction"@en . "Adventure fiction" . . "Good Old Secret Seven" . . . . "Jack's new telescope promised hours of fun until Susie claimed her half share. But old feuds were forgotten once Janet glimpsed strange happenings at Torling castle. Who was lurking in the ruined tower, and why were the resident jackdaws disturbed?"@en . . "Adventure stories"@en . . . "Els Formidables minyons del club dels Set"@ca . . . . . "Os Sete e o telescópio" . "There are strange happenings at Torling Castle. Who is lurking in the ruined tower - and why have the resident jackdaws been disturbed?" . . . . . "Detective and mystery stories"@en . "Large type books" . . "Detective and mystery stories" . . . . . "Good old Secret Seven"@en . "Good old Secret Seven" . . . . "Fiction"@en . . "Fiction" . . . "Le télescope du Clan des Sept" . "Secret Seven (Fictitious characters) Juvenile fiction." . . . . "Mystery fiction Juvenile fiction." . .