The VOIDRUNNER'S CODEX is LIVE! Explore new worlds, fight oppressive empires, fend off fearsome aliens, and wield deadly psionics with this comprehensive boxed set expansion for 5E and A5E!
For the curious, Planescape made #129 on the October 25th USA Today's Best-Selling Books list (for sales from Monday the 15th through Sunday the 22nd), the first D&D release to make the weekly 150 best-sellers list this year.
Look what Amazon did! They posted about how many Stormwreck Isle boxes were sold in the last month for a particular entry of it on Amazon US. Sadly it isn't in the book ranking but I think a different WotC book is in that ranking.
So Stormwreck Isle, according to Amazon, sold about 1k copies in the last month.
It's ranked in Toys & Games and not even in the D&D group, unfortunately. Now to find that other D&D thing in toys and games and in books.