Note that Amazon has been recommending to publishers for a while now that files be submitted for distribution as epub files, not mobi or azw. Which is fine for

Note that Amazon has been recommending to publishers for a while now that files be submitted for distribution as epub files, not mobi or azw. Which is fine for us. Now maybe someday their software will actually support the whole epub standard (though, to be fair, they have improved it and it is better than it used to be).