Hippos navigate by it, sloths keep in touch through it, rabbits eat it ... and most grown-ups prefer not to mention it at all! However you look at it, poo is probably the most useful stuff on Earth. It comes in all shapes and sizes, and every animal has its own special sort. Find out what it's for, where it goes, what we can learn from it and lots more.
Nicola Davies graduated from Cambridge with a degree in zoology before going on to work on television programmes such as “The Really Wild Show”.
Neal Layton was awarded a distinction for his MA in Illustration from Central Saint Martin’s College of Art and Design. His book “Oscar and Arabella” was a Smarties Book Prize Winner.