I’ve finished writing the book Startup Communities: Building An Entrepreneurial Ecosystem in Your City (a solo effort) and am now deep into Startup Life: Surviving and Thriving In A Relationship With An Entrepreneur which I’m writing with Amy.

I’m looking for a great collaborative writing tool for a book. I used Scrivener on a solo basis for Startup Communities – it’s outstanding for the first draft. I eventually had to drop into Word to work with the production system for my publisher (Wiley) but that’s probably the case for any non-self-publishing experience at this point.

However, I can’t for the life of me figure out a workflow with Scrivener that works effectively for two writers. It’s a single-user product and all of my Dropbox related contortions work to share the file, but then only one person can actually work in it at any given ...