Ah, yes. The Discworld novels.
I always think the main problem he has is that people who haven't read them see the subject matter and assume that it's Tolkien lite, whereas in reality it is darkly satirical, politically aware humour. He may yet be condemned to Jonathan Swift's fate as Gulliver's Travels was similarly targeted.
I do wonder about a world where adults will read Harry Potter but not Pratchett.
She's as nervous as a very small nun at a penguin shoot.