|aFor twelve years, the dread fortress of Azkaban held an infamous prisoner named Sirius Black. Convicted of killing thirteen people with a single curse, he was said to be the heir apparent to the Dark Lord, Voldemort. Now he has escaped, leaving only two clues as to where he might be headed: Harry Potter's defeat of You-Know-Who was Black's downfall as well. And the Azkaban guards heard Black muttering in his sleep, "He's at Hogwarts." Harry isn't safe, not even within the walls of his magical school, because there may well be a traitor in their midst.
|aIssued also on compact disc.
|aPotter, Harry (Fictitious character)|vJuvenile fiction.