These are discussion groups and social networking sites specifically for books and book lovers, with (of course) an emphasis on crime fiction

4 Mystery Addicts (a Yahoo Group for mystery bookaholics to discuss group reads, series books and  everything happening in the world of crime fiction)

Audiobook Community (a social site to discuss everything relating to audio books including favourite genres, awards, what technology to use and upcoming titles, community members include readers, authors and narrators, my page at the community is here).

Australian Book Bloggers Directory (a site providing details of loads of Australian book bloggers across all genres, do head over and register if you’re an Australian who blogs about books)

BookMooch (a worldwide bookswapping website – the books I have to give away can be found here)

British Mysteries (a Yahoo Group that discusses classic and contemporary mysteries set in Britain or written by English authors)

Crime and Mystery Fiction Friend Feed Room (the room aggregates feeds from some of the net’s best crime fiction bloggers and acts as a place to discuss the posts and other crime fiction related news)

Cozy Armchair (a Yahoo Group for readers of cosy mysteries with club reads, book discussions and a fairly high rate of off-topic posts)

Good Reads (the online cataloging and review site I use, my page is here)

Murder and Mayhem (a Yahoo group that caters to the Mystery, Thriller and Horror Book Genres and featuring club and ‘buddy’ beads as well as general discussion)

OzMysteryReaders (a Yahoo group that shares opinions and information about crime/mystery fiction available in Australia with members from all over the globe)