A milestone for me today: I finished the manuscript for the book. It's this thick:
Of course "finished" doesn't mean "done": I still need to complete two appendices, my agent/editor and publisher need to review it again, revisions need to be made -- and I can think of a couple more napkin sketches to add on top of the 220-something already in there... but the big hill is crested.
*Whew*.