The Third Form At St Clare's By Enid Blyton

(St. Clare's #7)
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Based upon, and continuing Enid Blyton's St. Clare's series. The holidays are over and twins Pat and Isabel O'Sullivan are dying to get back to school. The big question on everybody's lips is, who will be head girl? But a terrible accident and an hilarious school play show the true leaders in the third form, but they also show up the cheats and cowards.