@sgharms don't buy books from Amazon. Their DRM is hard to remove. You can buy books from Kobo or other retailers like ebooks.com. Some don't use DRM but Adobe DRM can be removed. Once you have an epub book without DRM you can put it on any eReader with calibre.
How to setup Calibre to remove DRM from ebooks on Linux
I'm writing this little guide as a note to myself on how to setup Calibre to make backup copies of the ebooks I purchase on my Linux system.
(michaelharley.net)
