Roald Dahl's books may be old fashioned but they remain classic as they are still being used in primary schools and still on the shelves in children's section today. Not only does he make children's books which are popular amongst children but also they are written in a way that appeal to a broad audience thus adults can enjoy the books as well. Whilst a lot of the books have already been made into a film, there are some which have not such as The Twits.