When I started out in the book business, publishing meant a serious investment of money as well as time. A small press run was several thousand dollars -- simply printing a book or two wasn't feasible without enormous cost (set-up for 1 book or for 1,000 books on a large press takes the same amount of work). Of course, today, you can experiment with a small runs via tools like Lulu. Even more economical are web-publishing tools like Issuu.
I recently made a "book" out of an early draft of a short story. "Odile's Lament" was an experimental piece written for a group. But it's one of those stories that I like to pull out of the hard drive and tinker with. So it seemed a natural for my first experiment on Issuu.