Here is the cover I first saw for it, the US hardcover:
Amazing already, no? It's shiny in person, too.
It was already published as The Two Pearls of Wisdom in Australia and the UK:
Not my favorite color scheme, and the eyes are a little much, but still lovely. And you can kind of tell that Eon/Eona is Asian.
Here are some other editions of the first book:
UK paperback // US paperback // Spanish hardcover
Polish edition // French edition
Here is the US hardcover for Eona:
I like how it matches the US paperback of Eon. Doesn't hurt that it's so utterly badass. Although it's questionably, potentially whitewashed (is it? I can't really tell; my eyes are kind of tired at the moment, sorry). Here are some more covers for Eona or its international equivalents:
Australian hardcover // German edition
I love them both; the German edition kind of reminds me of the video cover for Mulan. But my favorite cover of all is the UK edition, titled The Necklace of the Gods:
zomgzomgzomgzomg that is almost exactly what I think Eona should look like! So badass.
I know there's been some flack regarding these books in the blogosphere in the past, about them taking exceptional liberties with the Asian inspirations of this fantasy, but my stance on this matter is that these books are Asian-inspired. They are not meant to follow a strict set of rules or be representative of the entire Asian mythological culture. I do believe that Alison Goodman has created a world thorough enough to exist on its own, in its own little universe somewhere we don't know about. Perhaps you will be intrigued enough to give this series a try? :) I know I am definitely waiting impatiently for the sequel to finally, finally come out in April.