Booked for Murder  
   Independent bookstore specializing in new, used, rare, and collectible mystery books.
   http://www.bookedformurder.com/

Cemetery Plots  
   Collectible modern mystery first editions, many signed. Also mystery reading copies for the non-collector.
   http://home.earthlink.net/~mamacat/

Regarding Books  
   Collectible bookseller specializing in mystery and modern first editions.
   http://www.regardingbooks.com/

Grave Matters  
   Offers new, used, and out of print mystery, detective fiction, and related reference material.
   http://www.gravematters.com

The Mystery Bookstore  
   Signed first editions, rare and collectible, new and used, children's. Shop instore (Los Angeles) or online.
   http://www.mystery-bookstore.com/blog/

Mystery Book World  
   Devoted to the sale of current, vintage, and popular previously read mystery, crime, and thriller fiction and non-fiction for both collectors and devotees. Site requires Flash.
   http://mysterybookworld.com

Detective Fiction  
   Exclusively offers crime and mystery fiction with free delivery worldwide.
   http://www.detective-fiction.com

Chess Valley Books  
   Features used crime fiction and best sellers. Order by email.
   http://www.chessvalleybooks.co.uk

Title Recall  
   Specializes in crime, detective, and mystery fiction thrillers.
   http://www.titlerecall.com.au/

Fyrbyrd Bookshop  
   Carries mystery and suspense, from whodunits, police procedurals, famous detectives, noir, and true crime. Also sells rare medical books.
   http://www.fyrbyrdbookshop.com/

River Road Books  
   Specializes in modern first editions in literature and mystery with some popular fiction. Stocks collectible small press books from Franklin and Heritage Press.
   http://www.riverroadbooks.com/

Rufoustowhee Books  
   Specializes in mysteries. Categorized listing shows available quantities in each genre.
   http://www.rufoustowhee.com/