While you can write free form documents like the character bio in Story, I am not sure if Story will be what you need to write a book. We are really focusing on scriptwriting and leveraging the script for production efficiencies.
Story will allow you to collaborate with others but Story is really not meant for book writing.
I suggest that you try using buzzword on Acrobat.com
Adobe actually feels that having a demo showing features they have absolutely no intention of offering is a good idea?
They cannot invest in redoing the demo so that they garner good will? It's not worth the minute amount of $ to fix it so that they don't irritate people (as I've found several posts about this very issue).
Sad day for Adobe.