You can put all mobi or azw files that you got from here and put them in your kindle. My sister only reads mobi files because she prefers the kindle reader to other devices..if in epub format you can use calibre to convert the files to mobi, and then move those files to your kindle device.
Those files don t go to your amazon account or cloud. Even if you have your kindle internet connection on, the most that can happen is to receive recommendations based on the books you have there.
Those files don t go to your amazon account or cloud. Even if you have your kindle internet connection on, the most that can happen is to receive recommendations based on the books you have there.