Sisters in Crime --The mothership. Here you'll find authors, local chapters, books in print by SinC writers, events, links and bookstores.
Crime Writers of Canada --Like Mystery Writers of America, only Canadian.
Type M for Murder -- Don't dial M! Several Canadian mystery writers and friends have set up a blog. Check it out.
49th Shelf -- A site devoted entirely to Canadian books!
Stop, You're Killing Me -- Stop and get thrilled by this website. Lists hundreds of mystery writers and their books in chronological order. Also has a newsletter.
Mystery Readers International -- Good stuff here, a zine, blogs, author interviews and more.
Crime Library -- Crime news and dozens of articles on everything from women who kill to terrorists and criminal psychology. Some chilling reads.