This includes:
* Harry Potter series: 7 books
* Fantastic Beasts and Where to Find Them: 1 book (originally a textbook within the Harry Potter universe)
* Fantastic Beasts: The Crimes of Grindelwald (screenplay): 1 book
* Fantastic Beasts: The Secrets of Dumbledore (screenplay): 1 book
* The Casual Vacancy: 1 book
* The Cuckoo's Calling: 1 book (written under the pseudonym Robert Galbraith)
* The Silkworm: 1 book (written under the pseudonym Robert Galbraith)
* Career of Evil: 1 book (written under the pseudonym Robert Galbraith)
* Lethal White: 1 book (written under the pseudonym Robert Galbraith)
* Troubled Blood: 1 book (written under the pseudonym Robert Galbraith)
* The Ickabog: 1 book
* The Christmas Pig: 1 book
She has also co-authored several books, including "Harry Potter and the Cursed Child" with Jack Thorne and John Tiffany.