Like many young children, Jacob O'Reilly wants a pet. He'd love a dog. A cat would be great. Ooh, what about gerbils? Or an iguana? He's desperate for an animal to look after, but mum and dad don't fancy the idea. Then they suggest that he start a pet-sitting business, and all hell breaks loose...

The jokes work time and time again, and it'll be a firm favourite on any bookshelf. - The Bookbag