[JGB]

I've got a fairly good sized ebook library, and I've been cleaning it up lately, some things I prefer to set manually, but some fields I would like to have some info but am less fussy about it being perfect. The big one is published date, I don't really care if it's totally accurate, but it's nice for most books to have a general idea of when it was written so I can pick what I feel like reading.

Is there a way to have it pull just this data or specific columns of data from the file's meta-data without having it mess up all the series info I manually entered? I've tried on a few files and it overwrites the series.