<p><b>Schooldays at St Clare''s are never dull for twins Pat and Isabel O''Sullivan in Enid Blyton''s much-loved boarding school series.</b><br><br>In book nine the unimaginable has happened - the twins made head girl! It''s a tough job - cheeky first formers and cruel Priscilla keep the girls on their toes.<br><br>It''s the twins last year and there definitely will be mischief!<br><br>Between 1941 and 1946, Enid Blyton wrote six novels set at St Clare''s. Books 5, 6 and 9 are authorised sequels of the series written by Pamela Cox and feature storylines set in between the original Blyton novels. These books were published in 2000/2008 and are unillustrated.</p>