Question: What 2001 book written by British author J. K. Rowling about the magical creatures in the Harry Potter universe, which are a colourful aspect of the fictional wizarding world?
Sentence (from "J. K. Rowling's Wizarding World"): J. K. Rowling's Wizarding World is a British-American media franchise and shared fictional universe centered on a series of fantasy films, distributed by Warner Bros.
Relevant evidence: No