I got tired of waiting for further inspiration to strike, so I went ahead and started work on the first chapter of The Fracture. The word count stands (I started on Thursday) at just shy of 3,000 words. I thought about doing that whole planning for even more months thing until I had it all worked out, but to be frank I got bored sitting around waiting for any more ideas to come. Much more fun to actually sit down and make the book happen as I write it. What I've got so far feels pretty good. I've learned a lot from the experience of writing Against Gravity, so I know what to expect from myself, and can take certain actions to prevent writing myself into a corner. Also, I'm looking to make this one a little longer, if possible; but that's just a maybe (for reference's sake, both the previous books stand at 130,000 words each).
Of course, I don't have a deal for The Fracture. My deal with Tor UK is for two books. But once I've got some of The Fracture written, me and my agent can see about chasing after a new deal to follow up the current one. Here's hoping.