Harry Potter And The Prisoner Of Azkaban By J. K. Rowling

Harry Potter, along with his best friends, Ron and Hermione, is about to start his third year at Hogwarts School of Witchcraft and Wizardry. Harry can’t wait to get back to school after the summer holidays. But when Harry gets to Hogwarts, the atmosphere is tense. There’s an escaped mass murderer on the loose.