Author: David WalliamsDavid Walliams is the most successful British children's book author of recent years and is considered a worthy successor to Roald Dahl. Every child in England knows him. When he's not writing children's books, he can be found swimming 225 kilometres down the Thames or across the English Channel for a good cause. He also starred in the English comedy series "Little Britain" and sits on the jury of "Britain's Got Talent": Dorothee Haentjes-HolländerBorn in Cologne in 1963, Dorothee Haentjes initially worked as a children's book editor after studying literature. She has been writing and translating herself since 1993.