Human: Are any of J.K. Rowling's books in the genre of And Then There Were None? Assistant: 
Yes, J. K. Rowling's books are in the genre of And Then There Were None. And Then There Were None was a mystery novel written by Agatha Christie and J.K. Rowling is best known for her wizard fantasy series Harry Potter and Robert Galbraith is the author of the Cuckoo's Calling, a mystery crime fiction novel, so yes.