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 "Harry Potter and the Deathly Hallows"): Harry Potter and the Deathly Hallows is the seventh and final novel of the "Harry Potter" series, written by British author J. K. Rowling.
Relevant evidence: No