About the title
For twelve long years, the terrible fortress of Azkaban held prisoner a fearsome criminal named Sirius Black. Found guilty of murdering 13 people, he is also considered the closest ally of Lord Voldemort. Now he has escaped and poses an enormous threat to the entire wizarding world. Hogwarts is now guarded by the most repulsive creatures, the guards of Azkaban — the dementors. However, even within the walls of the school, Harry and his friends face danger, for there may be a traitor among them…
