What is a fanlisting?

A fanlisting is simply an online listing of fans of a subject, such as a TV show, actor, or musician, that is created by an individual and open for fans from around the world to join

–http://www.thefanlistings.org

And these are the book-related fanlistings that I’m a member of
Authors/Writers
Characters: Book/Movie
Literature
Relationships: Book/Movie