Are you looking for a listing of publishing contacts including designers, distribution, agents and more? You could spend an afternoon Googling all this sort of information, but I recently discovered a free PDF called The Million Dollar Rolodex from Planned Television Arts (PTA). After a quick registration process (just name and e-mail address) you'll have access to a 56-page document loaded with publishing industry contact information.
My only complaint: It almost completely ignores the blogosphere. I hope the folks at PTA will add blogs into their next revision of this useful document.