Alibi Books (Glenview, IL)
All-Electric Paperbacks
Aunt Agatha's (Ann Arbor, MI)
Book Passage (Corte Madera and San Francisco, CA)
Book'em Mysteries (South Pasadena, CA)
Booked For Murder (Madison, Wi)
Clues Unlimited (Tucson, AZ)
Creatures 'n Crooks Bookshoppe (Richmond, VA)
CSL Books
Dark Carnival (Berkeley, CA)
Dunn and Powell Books
Grave Matters (Ohio)
High Crimes (Denver, CO)
Kate's Mystery Books (Cambridge, MA)
M is for Mystery (San Mateo, CA)
Ming Books (Wigtown, Dumfries, Scotland)
Murder by the Book (Houston, TX)
Murder by the Book (Portland, OR)
Murder on the Beach (Miami, FL)
Mysteries to Die For (Thousand Oaks, CA)
Mysterious Galaxy (San Diego, CA)
Mystery Books (Mechanicsville, PA)
Mystery Lovers Bookshop( Oakmont, PA)
Mystery Loves Company (Baltimore, MD)
Mystery One Bookshop (Milwaukee, WI)
Partners & Crime (New York, NY)
The Poisoned Pen (Scottsdale, AZ)
Raven Bookstore (Lawrence, KS)
San Francisco Mystery Bookstore (San Francisco, CA)
Seattle Mystery Bookshop (Seattle, WA)
Science Fiction, Mysteries, & More (New York, NY)
Sleuth of Baker Street (Toronto, Ontario)
Snoopers, The Mystery Bookstore
Spenser's Mystery Books
The Cloak and Dagger (Princeton, NJ)
The Mystery Bookstore (Omaha, NE)
The Mystery Company (Carmel, IN)
The Well Red Coyote (Sedona, AZ)
Whodunit? Mystery Bookstore (Winnepeg, Manitoba)
Wrigley-Cross Books (Portland, OR)

Writers
Jan Grape
Kate Grilley
Carolyn Hart
Joan Hess
Russell James
Dewey Lambdin
Jeffrey Marks
Margaret Maron
Sharan Newman
Steven Womack

Mystery related sites

Bogie's Mystery Tours
Providing interactive mystery events, these are the folks who created Mystery Dinner Theater

Crime Lab Project
It's not CSI out there! American crime labs need your help.

Cluelass Home Page
comprehensive listing of mystery sources

Harriet Lord
Make mysteries add up(hee hee).

Malice Domestic
an annual convention celebrating the "cozy" mystery; sponsors the Agatha Award

Meritorious Mysteries
up-to-date reviews of mystery novels

Murder on the Menu
Janet Rudolph and her talented team design specialty events for your interests.

Mysterious Women
a beautifully done newsletter featuring female mystery writers

Mystery Readers International
Huge world-wide membership; MRI sponsors the annual Macavity Award

Sisters in Crime
an organization for readers and writers of mystery