BiNonBi, 10 months ago I use an old 4th Gen kindle from 2011. Amazon has a web service where you email a file to a specific address and it is added to your library. Alternatively I have used calibre to load ebooks via USB.
I use an old 4th Gen kindle from 2011. Amazon has a web service where you email a file to a specific address and it is added to your library. Alternatively I have used calibre to load ebooks via USB.