http://mensbiblio.xyonline.net/
A listing of fiction and non-fiction by and about men.

http://www.authoryellowpages.com
This website contains links to many authors and publishers homepages.

http://www.fantasticfiction.co.uk/
Listing of forthcoming books

http://www.lapl.org/resources/indexes/sequels.html   
Good index of book series and sequels

http://www.overbooked.org/index.html
Information about fiction and readable nonfiction. Includes "Hotlists" of some of the major titles scheduled for release in the U.S.

http://booklust.wetpaint.com/?t=anon
An online community for book lovers. Former Seattle Public Library staff member and NPR commentator Nancy Pearl shares her favorite books, book club picks, children's books and more. Join the Book Lust Wiki and you can edit the content and add your own contributions.

http://www.bookreporter.com/chicklit
This website contains information relating to chick lit authors and their books.

http://duskpeterson.com/historicalfantasy/index.htm  
Historical fiction with an emphasis on science fiction, which is kind of an interesting mix.

http://www.histfiction.net
Contains information and suggestions relating to historical fiction.

http://www.rwanational.org/  
Romance Writers of America-awards, etc.

http://www.locusmag.com/
News, Reviews, Resources, and Perspectives of Science Fiction, Fantasy, and Horror

http://darkecho.com/darkecho/review_index.html
News and reviews of the latest in horror fiction

http://www.romantictimes.com/
Web version of the periodical covering the world of romance fiction.

http://themysteryreader.com/
The very latest news and reviews of mystery fiction

http://bookmuse.com/
Information for those interested in starting and running book discussions

http://www.readinggroupchoices.com/
selects books for discussion and suggests topics for reading groups.

http://www.readinggroupguides.com/
1000+ book discussion group guides available.