If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
I think it is more likely rejecting you based on being logged in than based on IP, since I can see UK and FR results. Google cache of that link, both at google.com and google.co.uk show me the kindle edition. ($11)
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.