Originally Posted by crich70
I know they can't be added to. What I meant was is it possible to burn a copy of calibre with a library to a CD/DVD so that a readable library is made.
I don't think Calibre will even run without Write access.
If you use a CD/DVD for (backup) Transport: consider zipping the Library FIRST and backing up the Zip. That way, the Read only flag does not get set on any internal (to the Zip) file or folder.