All Australian funny and frightful Verse GUESS WHAT? THERE'S A HIPPOPOTAMUS ON THE HOSPITAL ROOF EATING CAKE! Search Hooray! There's a HIPPOPOTAMUS on Our Roof Having a Birthday Party It's Bedtime, William! Look, There's a HIPPOPOTAMUS in the Playground Eating Cake Mulga Bill & Friends: A Collection of Classic Australian Stories MY HIPPOPOTAMUS IS ON OUR CARAVAN ROOF GETTING SUNBURNT Stuff and Nonsense Stuff and Nonsense The Gigantic Balloon The Jacky Dandy Song Book Contact Us THE TALL MAN and the twelve babies Velvet Paws & Whiskers