Originally Posted by ruddell
I would love a plugin like this. I was going to suggest a plugin that somehow scrapes Amazon.com to get their category data on a book and then inserts that into either the "tag" field or a custom column. But BISAC may be better than Amazon at categorization of books.
Alternatively, I'm sure it would be fairly easy to write a plugin that pulls classification information from the Library of Congress and converts the "LC Classification" and "Dewey class no." to the classification names.