I was reminded of this, because there's a Kindle sale on John Walton books which aren't in Logos.
I've plugged for John Walton before, and I own most of his Logos books. We have his Lost World of Genesis 1 (and the more academic version from Eisenbrauns), and his newest book (Old Testament Theology for Christians) is in prepub, which I've preordered.
But in between the first Lost World and the newest prepub are Lost World of Adam and Eve, Lost World of the Israelite Conquest, and The Lost World of Scripture: Ancient Literary Culture and Biblical Authority. These aren't new books, and I would much rather have them in Logos than Kindle. So... why won't Logos take my money?