Hermione Granger is crucial to Harry and Ron in their successful mission to solve the mystery of the Chamber of Secrets. Hermione is revived after Harry kills the basilisk, but she is distraught to learn that all end-of-year exams have been cancelled as a school treat. Hermione buys a cat named Crookshanks, who takes to chasing Ron's pet rat, Scabbers. Before the start of term, Professor McGonagall secretly gives Hermione a Time-Turner, a device which enables her to go back in time and handle her heavy class schedule, though this is not revealed until the penultimate chapter. Much tension comes into play
Harry Potter and the Goblet of Fire time a book in the series was published in both countries at the same time. The novel won a Hugo Award, the only "Harry Potter" novel to do so, in 2001. The book was adapted into a film, which was released worldwide on 18 November 2005, and a video game by Electronic Arts. Throughout the three previous novels in the "Harry Potter" series, the main character, Harry Potter, has struggled with the difficulties of growing up, and the added challenge of being a famed wizard: when Harry was a baby, Lord Voldemort, the most powerful Dark wizard in history, killed