| A Guide to Classic Mystery and Detection: History, trends, schools of writing, and an alphabetical list of mystery authors. |
| AllReaders: Search engine for novels, with specific search elements, including plot, theme, characters, and setting. |
| Bastulli Mystery Library: Profiles of authors and synopses of their works, a selection of classics of the genre, author interviews, and brief reviews. |
| Bibliomysteries: Information about bibliomysteries (mysteries with book/archive/library connections). |
| Bloody Words: Conference for readers and writers held in Canada every year. Program, news and updates, list of attendees, and registration details are included. |
| Booked: An interactive online book club where crime fiction lovers can have discussions in a forum, download podcasts, view webisodes and find out more about the accompanying TV show. |
| Books 'n' Bytes: Reviews, links, and information about authors, conventions, and awards. |
| Clerical Detectives: Introductions to Reverend Randollph, Rabbi Small, Sister Fidelma, Father Brown, Charlie Mortdecai, John Appleby and Michael Gilbert's characters - and their authors. |
| ClueLass: Contains information about awards, events, groups, new books, bookstores, magazines and other mystery websites. |
| Crime Library Short Story Classics: Collection of short suspense stories by best selling and Edgar-award winning authors. |
| Detectives on Stamps: Nicaragua issued a series of postage stamps portraying a dozen fictional detectives. |
| Funny But Fatal: Guide to funny mystery novels. Includes a bibliography and reviews. |
| Golden Age Mysteries: Message board for fans of mysteries in the classic tradition, including those written by Ellery Queen, Dorothy L. Sayers, John Dickson Carr, and Agatha Christie. |
| Holidays Can Be Murder!: List of holiday-theme murder mysteries and their authors, categorized by holiday. |
| I Love a Good Mystery: Blog by a fan of mystery novels and crime fiction. Includes book reviews, author updates, genre news, and links to related content. |
| Looking for a Mystery?: A guide to both the history of the mystery novel and to locating modern mysteries by topic and style. |
| Magna cum Murder: Annual crime fiction festival. Includes list of featured guests, event history and a registration form. |
| Mormons in Mystery Novels: Mormon and Utah-based fictional detectives, and the mystery novels in which they appear. |
| Mostly Links Mystery Site: Links to sites dealing with mystery authors, books, publishers and book stores. |
| Mysteries and Academia: Background discussion and table-form bibliography. |
| Mysteries In Print: An on-going listing of new and upcoming mystery books and books on tape. Books and audio tapes can be purchased online. |
| Mysterious Home Page: Features links to sites dealing with mysteries and crime fiction, including authors, publishers, awards, reviews, and events. |
| Mystery Books With Lesbian Characters: Showcases mysteries in which the main character is a lesbian. Browse by author or by character. For each author, a link to official site if possible, profile of the character, bibliography. Notes Lambda-winning authors. |
| Mystery Ink: Information about mystery novels and authors. Includes book reviews. |
| MysteryGuide.com: Database of original book reviews, author interview series, games, and other features. |
| MysteryNet.com: Online mystery network offering mystery entertainment and information. |
| MystNoir: Information about African American mystery writers and characters. Reviews and news are also featured. |
| Overbooked: New release information, book lists and author links. |
| Stop, You're Killing Me!: Lists authors and series characters, indexed by last name, location and occupation. |
| Suite 101: Mysteries: Features mini-mysteries, book reviews, message board, and links. |
| Suite 101: Mystery Novels & Authors: Archive includes book reviews, reading list and recommendations, and links. |
| Tangled Web UK: Authors, books, reviews, Crime Scene, discussion and news. |
| Tea and Mystery: Features books, reviews, children's mysteries, and links. Feature author is Agatha Christie. |
| The Early Whodunit: Traces the development of the early whodunit in both mystery and conventional literature of the late 18th and early 19th centuries. |
| The Great Detective Stories: Discussion of mystery novel standards by Willard Huntington Wright. |
| The Mean Streets: A weblog featuring reviews, news and views related to new and classic mystery and hardboiled fiction. |
| Who Dunnit: Reviews and synopses of works and brief profiles of authors. |
| Wikipedia: Crime Fiction: Article covering the history of the genre, its categories, use in film and criticism. |