Here's a great article by Marie Force on how to format a manuscript for Amazon: Self-Publishing Tips for the Uninitiated.
Also, I would like to recommend Zoe Winter's book, Smart Self-Publishing: Becoming an Indie Author. I have read this book and use it now as a reference.
Although not about the nuts and bolts of formatting, etc., Joe Konrath's blog, A Newbie's Guide to Publishing, is a must read for anyone thinking of independently publishing their work. Not only will it introduce you to other indie authors but Joe gives excellent advice on how to market your book(s).
Although not directly related to self-publishing, Dean Wesley Smith's blog, especially his Killing the Sacred Cows of Publishing series, contains invaluable information about the business of writing. After reading his blog posts, I'll never think about writing the same way again.
Dean's wife, Kristine Kathryn Rusch, has her own blog where she discusses, among other things, the business of publishing (contracts, etc.)
Another blog I have found a wealthy of information on is The Passive Voice, especially when it comes to anything to do with contracts.
There are many more blogs I want to include here but I need to run or I will be late for my day job! Cheers!
