From multi-million-copy selling author, Francesca Simon, and David Walliams' illustrator, Tony Ross, comes the latest title in the successful Horrid Henry's Factbooks series.

What's the only animal in the world to produce cube-shaped poo? What kind of lizard looks as though it has two heads? And what happens when a tarantula loses a leg?

Bursting with foul facts and twisted trivia, this is the perfect guide to everything a Horrid Henry fan has ever wanted to know about animals. Gross out your family and amaze your friends with your nasty new knowledge!