I have never seen something like this. As you know, I have posted a lot of book art. This guy, Brian Dettmer, takes it to a whole new level. My goodness, I cannot begin to describe what he does. Autopsy, what he calls it, is indeed the word that comes closest. But then in a non gruesome way. You have got to see this. Click here. And here for more. You can find a Wiki article on Dettmer here.
Thanks to Marie-José for the link