Shelfari is a social cataloging website where members can catalog, tag, review, and discuss books. Anybody can sign up for free and register an unlimited number of books. Shelfari allows you to build virtual bookshelves of the titles you own, have read or plan to read. It also allows you to tag, review and rate you titles.

Track your favorite comic creators and see which of their books are shipping every week. ComicScout provides a list of comics made by your favorites artists. You can even get your Pull List as an RSS feed.