Question: In the United Kingdom, who was the publisher of the book for which Steffan Rhodri played Reg Cattermole in the movie?
Sentence (from "Harry Potter and the Deathly Hallows"): The title of the book refers to three mythical objects featured in the story, collectively known as the "Deathly Hallows"—an unbeatable wand, a stone to bring the dead to life, and a cloak of invisibility.
Relevant evidence: No