I've got 3 e-books self published, although i've been way to busy to do any selling of them or advertising, a few have been downloaded for free to family members. its a lot of fun seeing them in book form, and thankfully i have a friend here IRL that does book binding, all i have to do now is print them and design the covers :)
there are a lot of online places to publish your e-books, you can even do them in digital form if you chose to.
lulu.com, blurb.com are just two..
when i first joined hp, i wrote a hub on self publishing, i know there's hundreds of others on the same topic so do a search and find the best ones to help you :)