Blyton, Enid: Second form at St. Clare’s In book four, the twins have made it to second form. New girls Gladys and Mirabel have great talents for acting and music, and Elsie, the form’s unpopular Head Girl, learns to be less spiteful. ISBN-10: 0416173926 ISBN-13 :978-0416173925 at Medimopsat ZVABat Abebooksat Amazonat Biblio