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Schooldays at St Clare’s are never dull for twins Pat and Isabel O’Sullivan in Enid Blyton’s much-loved boarding school series.

In book three, Pat and Isabel look forward to their first summer term at St Clare’s. They soon make friends with new girl Carlotta, who has a secret past that she’s desperate to hide. But sneaky Prudence finds out and tells everybody. How will the class react?

There’ll be mischief at St Clare’s!

(P) 2017 Hodder Children’s Books