Question: Would J.K Rowling's top sellers be on a fantasy shelf?, Answer:Yes, Description of Fantasy: Genre of literature, film, television and other artforms, Fact1: J.K Rowling's top sellers are her Harry Potter series., Fact2: Harry Potter is a series about a boy who goes to a magical school to learn wizardry.
Step1: What is J. K. Rowling's top selling book?, Step2: Is #1 fantasy?, Wikipedia page for step 1: https://en.wikipedia.org/wiki/J._K._Rowling, Wikipedia page for step 2: https://en.wikipedia.org/wiki/Harry_Potter, not_definitive_answer: False, incorrect_answer: False