Harry Potter and the Prisoner of Azkaban - Chapter 13 - Gryffindor versus Ravenclaw

Harry Potter and the Prisoner of Azkaban - Chapter 12 - The Patronus

Harry Potter and the Prisoner of Azkaban - Chapter 14 - Snape's Grudge

Harry Potter and the Prisoner of Azkaban - Chapter 11 - The Firebolt

Harry Potter and the Prisoner of Azkaban - Chapter 15 - The Quidditch Final

Harry Potter and the Prisoner of Azkaban - Chapter 17 - Cat, Rat and Dog

Harry Potter and the Prisoner of Azkaban - Chapter 16 - Professor Trelawney's Prediction

Harry Potter and the Prisoner of Azkaban - Chapter 10 - The Marauder's Map

Harry Potter and the Prisoner of Azkaban - Chapter 21 - Hermione's Secret

Harry Potter and the Prisoner of Azkaban - Chapter 19 - The Servant of Lord Voldemort

Harry Potter and the Prisoner of Azkaban - Chapter 20 - The Dementors' Kiss