"Adult" covers for children's books

The new cover of Roald Dahl's classic kid's book, Charlie and Chocolate Factory, recently caused an awful lot of controversy and you can see why. Many thought it creepy and some even found it overtly sexual in a rather inappropriate way for a kids book. I can see why they would think this. If you try to read too much into the image you could certainly find it a little sinister. My own view is that it's simply not a very good cover, not representative of the author, the characters or the story. Penguin admitted as much themselves, saying "the cover image was not intended to represent either of female children featured in the story", which makes the choice of picture baffling. Choosing a cover that has nothing at all to do with the story, especially for a kids book, is a little strange, but it's even more so when you think that someone must have sat down and thought "This is the one for us! This is the entirely unrelated image that we want to use!...