I remember reading them back in the early 90s (Robin Hood: Prince of Thieves, Far and Away, Back to the Future). They don’t seem to be a thing anymore (or am I just not noticing them).
As an aside I remember liking them but I was a preteen at the time so maybe they were terrible and I just liked the movies.
I loved movie novelizations when I was a teenager. I still have a handful that were really good—the Goonies was a good book, and The Abyss. I even have a really old novelization of Halloween (tho laughably in that one, Michael Meyers was the reincarnation of a pagan incel!!!) that was respectably scary.
Look for Dead and Buried by Chelsea Quinn Yarborough. It’s a novelization of a little known horror movie, but the book itself is solid.