How can I mark books on my Nook as having been read?

I don't know if this is the proper forum to post this question on. If it isn't, could someone suggest another?

I've got over 400 books on my Nook Simple Touch. Is there a way, using Calibre or the Nook OS, to mark the book titles, so I can know at a glance when looking at the titles in the Library on the Nook that I've read a book or not? If not, then what is the next best way to accomplish this? Thank you.

Frank D