For twelve long 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... he's at Hogwarts." Harry Potter isn't safe, not even within the walls of his magical school, surrounded by his friends. Because on top of it all, there may be a traitor in their midst. Format: Paperback ISBN: 9781338878943 Page Count: 448 Trim Size: 5-1⁄4 x 7-5⁄8 Pub Date: May 2023 Fiction / Nonfiction: Fiction Ages: 8 & Up Grades: 3 and up Imprint: Scholastic Inc. Subjects: Adventures and Adventurers, Challenges and Overcoming Obstacles, Cleverness, Cooperation and Teamwork, Courage, Bravery, Heroism, Determination and Perseverance, Friends and Friendship, Ghosts, Monsters, Vampires, Witches, Humility, Imprisonment, Orphans, School Life Genre: Adventure, Fantasy Language: English Guided Reading Level: GR Level V Lexile® Measure: 880L Return Restrictions: Strippable