A laugh-out-loud cautionary tale (for children and grown-ups) written by Catherine Emmett and illustrated by David Tazzyman, bestselling illustrator of the Mr Gum series and You Can't Take an Elephant on a Bus. Shortlisted for Oscar's Book Prize 2022 Digby David slammed the door, and dumped his bag upon the floor. "Daddy! I DEMAND a pet, Why have I not got one yet?" Digby David wants a pet, but not just any pet - it has to be TWICE as big as Reuben's guinea pig and even better than Lily Jean' ...