Today is September 22nd, which happens to be the birthday of Frodo and Bilbo Baggins, give or take. And while this day is perfect for gorging on cheese and mushrooms, taking walks in the park among the trees, and starting adventures, it’s also a good one for announcements (or so I’d like to think). No. I am not disappearing. I have no magic rings, and even if I did own one, I’d probably have lost it by now or else left you entirely. I’m far too much of a Took to let a ring sit in an envelope for years. The announcement is this: I have sold my first book!…