Paul Stewart and Chris Riddell are the creators of the hugely successful Edge Chronicles, which have sold over two million copies and have been translated into over thirty languages worldwide. Their other collaborations include the Barnaby Grimes series and the Far Flung Adventures, the first of which, Fergus Crane, won the 2004 Gold Smarties Prize. Paul Stewart is the author of a number of previous titles for children including The Midnight Hand and The Wakening (a Federation of Children's Book Groups Pick of the Year) for the Yearling list. Chris Riddell is an accomplished graphic artist who has illustrated many acclaimed books for children. Winner of many prestigious awards including the UNESCO Prize (for Something Else), the Kate Greenaway Medal (in 2001 and 2004 for Pirate Diary and Jonathan Swift's 'Gulliver') and the Gold Nestle Prize for Ottoline and the Yellow Cat, he is also the political cartoonist for the Observer.