Some links on how to. The hard part is the writing....
How to sell ebooks
http://jakonrath.blogspot.com/2013/02/how-to-sell-ebooks.html
5 Rules to sell thousands of copies of your ebook
http://mir.aculo.us/2012/10/20/5-rules-to-sell-thousands-of-copies-of-your-ebook/
Amazon Kindle Publish
http://tinyurl.com/olb4ag4
Self-publishing a book
http://www.cnet.com/news/self-publishing-a-book-25-things-you-need-to-know/
Book Publishing help
http://publishing.about.com/arts/publishing/library/blquicklink.htm?PM=453_1026
48hrbooks
http://www.48hrbooks.com/?gclid=CP6W-NXxtKACFSZHagodOiouTw
Selfpublishing
http://www.selfpublishing.com/
There is also Elderberry Press (http://elderberrypress.com/) and has various levels of promotion.
Thanks for the list of links.