Mr Majeika can behave just like any ordinary teacher if he wants to, but something has to be done about Hamish Bigmore, the class nuisance, and so he uses a little magic to turn him into a frog. And to everyones delight it looks as if Hamish will have to remain a frog because Mr Majeika cant remember the spell to turn him back again! With Mr Majeika in charge, suddenly life at school become much more exciting – theres even a magic-carpet ride to Buckingham Palace!