Ron and Hermione’s anger grows, Quidditch practice resumes, Gryffindor plays Ravenclaw and wins despite Slytherin’s attempts to sabotage the match by dressing as Dementors. Gryffindor celebrates into the night while Hermione studies. Sirius Black gets into the dorm and apparently slashes Ron’s bed curtains. Join us for chapter 13 of Harry Potter and the Prisoner of Azkaban!