Max really wants a pet. His parents arent so sure. Puppies chew, parrots screech and sharks have too many teeth. How about a dragon? Maxs parents say that dragons dont exist, so Max settles for a pet worm instead. Except this particular worm turns out to be very unusual when its back begins to turn spiky and it starts to breathe smoke .Dragons dont exist. Do they?A funny and light-hearted story from much-loved childrens author Debi Gliori, perfect for any child who has ever wanted a pet. With an added cautionary tale about being careful what you wish for.