CHRIS RIDDELL is best known as the author and illustrator of the acclaimed The Edge Chronicles series, written with Paul Stewart. He has illustrated many other books including the award-winning children's book, Pirate Diary, 100 Hugs, and several titles with Neil Gaiman, the most recent of which is Art Matters: Because Your Imagination Can Change the World. He is also the political cartoonist for the Guardian and Observer newspapers. He lives in England.