Mrs Pepperpot At The Bazaar by Alf Proysen
Mrs. Pepperpot has a problem - a huge problem - she shrinks! And when she shrinks she finds herself in all sorts of trouble. Mrs. Pepperpot has promised to make gingerbread for the school bazaar but things get a bit tricky when she shrinks and is trapped under the mixing bowl! But that doesn't stop her going and the three stuck-up ladies who mocked her gingerbread get more than they bargained for ...!