There are two physical versions of this book: the one with the orange cover and one with black cover. I have bought the one with the orange cover and what fascinated until I saw the illustrations in my Kindle version. The illustrations in the book are dull and what is supposed to be black, is a dark gray. I was a little bit frustrated, cause the art is amazing and beautiful. A few weeks ago I discovered the black-cover of the book. It Is Actually almost the same, as the orange one. The pages are thinner, so illustrations are shining through and the book is much thinner, but it is all printed in glossy paper and it seems like it is in higher resolution. And black is really black. If I would buy this book again, I would take the black covered.