Gnarbunga is made from icky, sticky, sludge and one day appears from a mucky and messy hole in the ground. When Gnarbunga's icky, sticky sludge gets all over the children - they love it! But when it gets all over some grown-ups, they are not so happy. The children decide that Gnarbunga needs something to do - what better than skateboarding! Fresh and lively young picture book with a fun story and exhuberant pictures.