Constant vigilance!

“Are — you — insane?” said Hermione in a hushed voice.'I don't think so,' said H…”

“One of the many things I learned at the end of that Classics corridor down whic…”

“A Wrackspurt . . . They’re invisible. They float in through your ears and make …”

“Professor Snape was forcing them to research antidotes. They took this one seri…”