The tip of Dumbledore’s long, crooked nose was barely an inch from Mrs. Norris’s fur. He was looking at her closely through his half-moon spectacles, his long fingers gently prodding and poking. Professor McGonagall was bent almost as close, her eyes narrowed. Snape loomed behind them, half in shadow, wearing a most peculiar expression: It was as though he was trying hard not to smile.
