Lupin sleeping on the Hogwarts express

'Wonder what he teaches?' said Ron, frowning at Professor Lupin's pallid profile. 'That's obvious,' whispered Hermione. 'There's only one vacancy, isn't there? Defence Against the Dark Arts.' 'Well, I hope he's up to it,' said Ron doubtfully. 'He looks like one good hex would finish him off, doesn't he?' Harry Potter and the Prisoner of Azkaban January 2004 Watercolour and Photoshop