 in the sort of 80s and 90s, you'd often get kind of books spun off from kind of kid-friendly blockbusters. So you'd get like the Jurassic Park book or the E.T. book. But then there are also kind of strange roundabout ways. Like there was, you know, the big Kevin Costner film, Dancers with Wolves, which was technically based on a novel, but really was written as a screenplay first by a friend of Kevin Costner's.