The Next Big Thing: Dubble

My friend and fellow novelist Laura Harrington recently invited me to participate in the blog-tagging "Next Big Thing" which is currently making the rounds among writers.  Since I'm knuckling down on revising my own NBT (or will be when I'm not writing this blog post), I figured I'd join the party.  At the end of this post, I'll tag-team a few other authors in hopes they'll tell us about their own works-in-progress.  Here are the standard questions:

What is the working title of...