Schooldays at St Clares are never dull for twins Pat and Isabel OSullivan in Enid Blytons much-loved boarding school series. In book three, Pat and Isabel look forward to their first summer term at St Clares. They soon make friends with new girl Carlotta, who has a secret past that shes desperate to hide. But sneaky Prudence finds out and tells everybody. How will the class react? Therell be mischief at St Clares! Between 1941 and 1946, Enid Blyton wrote six novels set at St Clares. This edition features the original text and is unillustrated.