From what I can grasp living under my rock, itch.io regards book publishing as a legitimate use case. So here is a story I wrote. I am using alternative publishing for reason of, well, just look at this:
What we have here is an epic science-fiction short story, written in prose-poem stanzas. A bit exotic for conventional venues! It's a story set in the far, far future of two intrauniversal agents trying to find a way to confront the impending end of time.
There is a single PDF with all three episodes on my project page:here. It's for free
Interested readers will notice the number of pages in each episode is less than the previous one - while the number of lines per stanza increases. The document is 28 pages. Maybe you would find my story interesting? Thanks for having me!