The name is cute. The design works. I can instantly tell approximately what you're offering. That's more than I can say for most start-ups that make "Show HN" posts.<p>One thing I think you should include is a browsable example book, since after all getting the "book" is the entire point of the using the service. What will it actually look like in the end? It's shown in the videos, but small and static. It should be full-page and interactive.