I have already installed Calibre that is in the ubuntu repository. I need to upgrade to the lastest Calibre. My question is how do i do it?
Do I directly install what is mentioned here
http://calibre-ebook.com/download_linux ?
OR
Do I uninstall the calibre that I have and directly install the stuff mentioned here
http://calibre-ebook.com/download_linux ?
I want to make sure that nothing happens to the books I have.