You’ll find an online reading group and book discussion forum that can help you discover new books. If you’re an author or publisher looking to promote your books, you are welcome to use BookTalk.org as a tool to reach a vast audience of book lovers. They have a Google Page Rank of 5, over 14,000 members and close to 700,000 site views per month. Book discussion forums are free and open to anyone including authors and publishers. Create a free account and write about your books in either the Fiction Book Forum or Non-Fiction Book Forum. Mail a few copies of your print book and it will be advertised. They will advertise your book on the Home page for 15 to 30 days and on the Featured Book Suggestions page permanently.”
4. And then, there is another Booktalk
Booktalk.com is an online booklovers’ community composed of many of today’s bestselling and popular authors. Personalized author home pages contain excerpts from bestselling novels as well as information about upcoming releases, author notes and personal hobbies and interests as well as publisher, literary agent and book industry information. Writing related articles by Booktalk authors and others in the writing community and upcoming literary events are also included.
5. KindleBoards
Authors are always welcome to post about their books in the Book Bazaar.
6. Library Thing
Social networking site and forum for book lovers. Free profile where each book contains tags, reviews and links to conversations about the book.
7. Shelfari
Enables you to build a virtual book shelf, that include book reviews from Amazon and to interact with your Shelfari community.
8. Authonomy
If you're an author or publisher, you've come to the right place. BookBuzzr provides one of the most comprehensive set of book-marketing technologies and services in the world. We're constantly adding new features in a race with ourselves to build technologies that will help your books fly out of book-stores.