This is only something I have heard talked about, and have no knowledge as to whether it is true or not.
So....
Allegedly, I heard that if you live outside, say, US or UK , and you reside somewhere like, as an example. Oz or NZ, say, and have an Oz or NZ friend, or just any one happy to assist, who lives in either of these areas, it is possible to use their address, as a sort of "holiday home" (should you be thinking off visiting them). You could possibly, I understand, buy books from those countries and get them on your reader in some way.
So I have heard....