Just found a great resource for self publishing called The Book Designer, Practical Advice to Help Build Better Books at www.thebookdesigner.com. The blog follows the journey of book designer Joel Friedlander from traditional ink to the modern day of digital publishing and print on demand. Passing along tons of information for all of us in the self publishing area. Well worth checking out.
This post in particular caught my attention and will take some time to dig around in, 52 Great Blogs for Self Publishers.