Slap bang in the middle of the hottest day of the year, the zoo's drains have blocked up and there's nowhere for the animals' poo to go!

Mr Pickles the zoo keeper (who is looking distinctly green) must decide what to do with it all . . .

Before the naughty chimps beat him to it!

There are 96 pages in this book. This book was published 2007 by Penguin Books Ltd .

Alan Rusbridger lives in London with a family that includes, a wife, two daughters, a dog called Angus and a cat called Retro. He has forgotten why the cat is called Retro. He also edits the Guardian.