Amazon is opening today its platform to new languages. Yes, you can (or may soo) buy Books written in English, German and French (no spanish ?).
The device is still american-only (english keyboard, english interface, american power plug). Buying it in Europa is subject to importation law…
Being european is hard with amazon 
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You can have a look on the previous article of this blog prensenting the globality of the dematerializaiton process of Books.