OK, we hacked a bit of a code and this is the first result:
https://www.mobileread.com/forums/ebooks.php
Any comments are welcomed of course. Our ultimate goal would be to separate authors from book titles, but right now it's virtually impossible -- unless we make the rules for titles even more stringent. Right now there are simply too many possible variations to allow for a foolproof separate indexing of authors + book titles.