As usual I'm usually the last to find these things, but for any of you that haven't heard of it, there's a new vehicle for publishing or at least advertising your books.
You upload your books - in Epub form, then write a "Bubble" showing and inserting an excerpt of that book. You also have the opportunity to show every site that your book is to be found. It's a good idea and all advertising is good advertising, right.
Here's the link: bublish.com