On the 1st and 2nd I received notifications from MobilRead about new responses to my post (which were all triggered by my last update re: cooking a bum steer) and that prompted me to add one more, and a big

to
BetterRed.
Got my query working (thanks, Red; it was counter-intuitive) and the column populated properly. (Also got a few surprises–it's amazing what data are lurking in the metadata and book innards! And what's
missing!)
Thanks to all who looked, and those who were able to contribute,