Prisoner of Azkaban..

Have you ever inflated your nasty aunt? Run away from home on a magical bus? Been chased by an escaped convict? And then suddenly met the most important political figure in your whole world, who treats you like his long-lost son?

That’s just one very weird night in Harry Potter’s very tumultuous life . . . and things are about to get even more topsy-turvy. For the ominous Dementors have come to Hogwarts to protect Harry from the escaped prisoner Sirius Black — a convicted murderer who also happens to be Harry’s godfather. Who is a friend and who is a foe? Find out in Harry Potter and the Prisoner of Azkaban.

Harry Potter and the Prisoner of Azkaban was published on 8th July 1999 (September 8, 1999 in America) to worldwide acclaim and massive press attention. The book spent four weeks at No.1 in the adult hardback bestseller charts, while Harry Potter and the Philosopher's Stone simultaneously topped the paperback charts. In the US the first three Harry Potter books occupied the top three spots on numerous adult bestseller lists.