The magic portal to fairyland is in danger, and it's up to Katie and her fairy friends to save it - even if that means Bluebell has to swap places with Katie and go to school...Katie can't wait to be a fairy for a day, but will naughty Bluebell manage a visit to the classroom without causing a complete disaster? 'Sparklin, fresh and fun - these fairies are great' - Linda Chapman, "My Secret Unicorn".