"I wouldn't despair too much. I noticed a couple years ago that they
hardcover versions of that, I think Leonard Lee's sharpening book, and
other mainstay gottahave'em Taunton Press books at Christmas time.
Presumably as special froofified gift editions. I've subsequently seen
plenty of the regular paperback versions over the last couple years. I
think it's fairly safe to assume that this is the case in the OP's
situation too. B-a-M is just dumping the overpriced holiday stuff
failed to sell.
Books that are not sold can be returned to the publisher for credit.
It's always a nice surprise for the writer to note the amounts under
"Returns" on royalty statements. I imagine they try to unload them at
or near cost first to save the handling hassle of shipping them back,
though in the case of mass market paperbacks, the books tend to stay
there with the covers ripped off (the covers are sent back to the
publisher; the books is supposedly put out with the trash. That's where
all those low priced coverless books you find at yard sales come from).