Percy returned some time later, and Fred and George's game of Exploding Snap stopped rather abruptly as they observed their brother storm into the common room. He was seething. "He doesn't believe me!" he hissed as he slammed the book back onto the table and dropped, fuming, into his chair. "He just gave me this awful patronizing look and said that all the faculty have his full confidence and also it was none of my business! Me! A prefect!" He glared at the parchment as if it had somehow infused him with Fred-and-George-like incredibility and was therefore responsible for all of his problems. "And then he said that when You-Know-Who tried to break in - not if, when - he'd have more to deal with than Fluffy and just dismissed it as if it wasn't a big deal!"