Porridge the Tartan Cat & the Pet Show Show-Off

Porridge has lost his tail! Or rather it and Isla are both invisible! When Auntie Hettie and her pampered pooch enter the perfect pet show, they'll stop at nothing to WIN, WIN, WIN! But Porridge and Isla have different ideas. Vanishing cream, dancing dugs and a Best Pet Trophy - how much trouble can a tartan cat get into?