Oh , my gosh! - this is a writer's maze of amazing content!  Visit Wise Ink's blog for a trove of insightful writing tips, helps, links and so much more!
Are you looking for a more intimate publishing house?  Meet Winter Goose Publishing.
For tons of really good writing posts and links, visit The Write Practice.
Write for children? Visit the Institute of Children's Literature.
Meet K. M. Weiland at her Helping Writers Become Authors blog.
Meet Bill Ferris and have a laugh while you learn some more great stuff about writing.
Meet self-publishing and marketing entrepreneur, Joanna Penn.  Find out just about everything you need to know about the self-publishing landscape today.
Copyblogger:  Solutions for Smarter Content Marketing....lots of very helpful posts and articles.
The Book Designer: practical advice to help build better books.  Start with "How I'm Going To Book My Blog-And You Can Too."
About BTM (Beyond the Margins)... "It's a blog, a sounding board, a daily dose of insight.  It offers essays on the craft of writing and the business of publishing."  They even have an "Ask Margie" page, for writers to ask their questions.