“He seems like a very good teacher, " said Hermione approvingly. "But I wish I could have had a turn with the boggart -" "What would it have been for you?" said Ron sniggering. "Apiece of homework that only got nine out of ten?” HumorRon And HermioneDefense Against The Dark Arts Book:Harry Potter and the Prisoner of Azkaban Source: Harry Potter and the Prisoner of Azkaban