books.google.co.uk - There are strange happenings at Torling Castle. Who is lurking in the ruined tower - and why have the resident jackdaws been disturbed?...https://books.google.co.uk/books/about/12_Good_Old_Secret_Seven.html?id=EEi7hSA6G9gC&utm_source=gb-gplus-share12: Good Old Secret Seven
Enid Blyton died in 1968 but remains one of the best-known and best-loved writers of children's stories. She is consistently voted a children's favourite in author polls. She has over 600 children's books to her credit, including the Famous Five series, the Secret Seven series, the Naughtiest Girl series - all Hodder - and the Malory Towers and St Clare's series, both available from Hodder on audio.