"Good morning Professor Kettleburn! Professor- Ah! What are you doing?"

Silvanus turned to look at the student in his doorway without putting down the ashwinder in his hands, giving her a curious look. Williams was one of his best pupils, but as with so many of her fellows . . . well, the muggleborns in his classes always seemed so alarmed around his creatures, even the upper years - he knew muggles had zoos and the like, were they not properly filled somehow?