706
Amazon’s killing a feature that let you download and backup Kindle books
(www.theverge.com)
This is a most excellent place for technology news and articles.
I did it a little while ago. Was very easy. Download books with kindle app, load them into Calibre and use a one click plugin to strip the DRM. I think this was the step-by-step I used.
https://nerdschalk.com/remove-drm-kindle-books-de-drm/