- Amazon.com - besides finding great deals on new and used books, fiction fans can read customer reviews and reprints of reviews from leading trade journals. Customer assembled 'favorites' lists and fan communities also serve as great sources for finding related fiction.
Online Book Clubs
- Goodreads - See what your friends are reading. Keep track of what you've read and organize your book lists into shelves. Join a book club to discuss your favorite books.
- LibraryThing - One of the world's largest book clubs, keep track of your entire personal library and connect with thousands of people who read what you do.
Science Fiction & Fantasy
- Fantastic Fiction - bibliographies for over 20,000 authors and information on over 270,000 books.
- Fantasy Book Critic
- Locus Online - companion website to the premier magazine on science fiction and fantasy. Includes numerous resources such as an index to science fiction and the SF Awards Database
- io9.com - combining movies, comics and other pop culture ephemera with book coverage and science columns.
- Pat's Fantasy Hotlist - sci-fi/fantasy blog with reviews and interviews.
- SFE - The Encyclopedia of Science Fiction Online
- SF Site - one of the stalwarts in sci-fi and fantasy book reviews, discussion groups, fiction excerpts and more.
- SciFan - from the creators of SciFan Magazine, a science fantasy digital editorial: author interviews, book reviews, booklist recommendations, and more.
- SFF World - reviews of books, movies, games; author interviews; blogs; forums; art and more.
- TOR.com - sci-fi and fantasy blogs, books, stories, news, and forums.