First thing, the new covers' designs:
And now for the surprise. The interior pages are black with white font. This is the first time I am hearing about it and I think it's really cool. It just screams Pretty in Black and I think I am a huge fan of the new versions. :D
Take a look:
And the best thing is that you will find the new look in e-book format as well and these are already online if you want to buy them.
Here are the Direct Links to all of the books