Originally Posted by Jiiri
Thanks, HarryT, I'll check that out. But the problem is something I would like to learn to fix on my own, since some books are from PG or other places, and I want to be able to find them on the Kindle easily.
My tool mobi2mobi written in Perl (should work for Mac, Windows and Linux and a Windows binary is available) described here:
should work for the Kindle also. It can add or change author, cover image and long title for books.
It would be very good if somebody tested it for the Kindle and gave some feedback if it works or not. I do not have any awz files to test it with.