Harry Potter and the Prisoner of Azkaban attacked by a big black dog, which Harry has seen several times before. The dog drags Ron through a tunnel under the Whomping Willow into the Shrieking Shack. Harry and Hermione follow, and there is a brief standoff when they find Ron with Sirius Black, who has transformed from the dog. Lupin enters, and they explain the situation to Harry and his friends: Lupin is a werewolf, which led to his friends James Potter, Sirius Black, and Peter Pettigrew becoming animagi. Lupin explains that Scabbers is Pettigrew in his animal form; he has been hiding from Black, whom he had
Harry Potter from purchasing pet owls. Despite the media flurry, research into the popularity of Harry Potter and sales of owls in the UK failed to find any evidence that the Harry Potter franchise had influenced the buying of owls in the country or the number of owls reaching animal shelters and sanctuaries. Jenny Sawyer wrote in "Christian Science Monitor" on 25 July 2007 that the books represent a "disturbing trend in commercial storytelling and Western society" in that stories "moral center [sic] have all but vanished from much of today's pop culture ... after 10 years, 4,195 pages, and over 375