Magical creatures in Harry Potter Granger's pet cat. Crookshanks was purchased by Hermione in a shop called Magical Menagerie in the third Harry Potter book; Harry Potter and The Prisoner Of Azkaban. Crookshanks resembles a Persian Cat, and Rowling has described him as half-Kneazle, an intelligent cat-like creature sensitive to dishonesty, explaining his identification of the rat 'Scabbers' as Peter Pettigrew, and of Sirius Black in his dog form. Crookshanks is seen in Prisoner of Azkaban talking to Padfoot in the school grounds. Crookshanks was portrayed by a cat called Crackerjack. Dobby is a "house-elf" in the Harry Potter series. He was once owned by
Legal disputes over the Harry Potter series An Unauthorized Guide to Harry Potter Fiction". In November 2007, "The Scotsman" reported that Rowling had threatened legal action against American computer programmer G. Norman Lippert for allegedly violating her intellectual property rights by producing and publishing the online novel, "James Potter and the Hall of Elders' Crossing", an unofficial and unauthorised continuation of the "Harry Potter" series. Written as a fan fiction project for Lippert's wife and sons, the novel is set eighteen years after the end of the last official installment in the series, "Harry Potter and the Deathly Hallows", and describes the adventures of Harry Potter's son,