Thes represent the book well. I like how the main ideas of the books were used as the main images. Risa Rodil is another artist that has designed book covers for Harry Potter. Again using the main part of each story to create an image for the front cover.
Ha ha, I mean this is true, but that's because there are a lot more pages and details to american history than hp. I've read all of hp, it would be very difficult to read all of american history. Plus I'm not a fan of history