Harry Potter and the Philosopher's Stone (video game) standing on a trap door which is guarding the Philosopher's Stone, a magical object which grants the user immortality. When Harry is almost killed during a game of Quidditch, by what appeared to be Professor Snape uttering a curse at him, Harry concludes that he is after the Philosopher's Stone. Harry, Ron and Hermione set out to stop Snape from retrieving the Philosopher's Stone by putting the three-headed dog to sleep with music and going through the trapdoor. The three face a series of obstacles that protect the stone which includes surviving a deadly plant, catching a flying key, playing
Harry Potter and the Prisoner of Azkaban will meet again. "Harry Potter and the Prisoner of Azkaban" is the third book in the "Harry Potter" series. The first, "Harry Potter and the Philosopher's Stone" ("Harry Potter and the Sorcerer's Stone" in the US), was published by Bloomsbury on 26 June 1997 and the second, "Harry Potter and the Chamber of Secrets", was published on 2 July 1998. Rowling started to write the "Prisoner of Azkaban" the day after she finished "The Chamber of Secrets". Rowling's favourite aspect of this book was introducing the character Remus Lupin, Rowling additionally said in 2004 that "Prisoner of Azkaban" was "the