This bars show that books can be as lucrative as movies are. Never the less these data are interrelated. Usually movies are made because of the books popularity giving them viewers or movies give not well-known books more readers which increase their profits. Qualitywise is a whole different story.
As predicted books win by a landslide but there are still some surprises as that of Lord of the Rings. Books as movies are ways of entertainment and as so they are tied by certain factors and enjoyment is one of them, making sluggish books entertaining movies.