Buck up, Bryan...
I did... finally. Let's hope things are going well for Jonathan. The early part of this year was brutal for me. Took far too long to get back to the measly edits needed from the playtest and Jonathan's feedback, but the revised version is in his hands now.
At some point, savages everywhere will have an opportunity to take to the skies on a griffon o' war and sling spells from their favorite cultural motif.
Did I mention this book has a new, no-power-points magic system (AB: Spellbinding) and extensive examples to help players and GMs create their own custom spellbinding traditions? It's way cool, if I do say so myself. Lots of nifty magic items, too, like the amulet of protection from bullets.