off or catch him a terrible blow with the club.

Hermione had sunk to the floor in fright; Ron pulled out his own wand -- not knowing what he was going to do he heard himself cry the first spell that came into his head: "Wingardium Leviosa!"

The club flew suddenly out of the troll's hand, rose high, high up into the air, turned slowly over -- and dropped, with a sickening crack, onto its owner's head. The troll swayed on the spot and then fell flat on its face, with a thud that made the whole room tremble.

Harry got to his feet. He was shaking and out of breath. Ron was standing there with his wand still raised, staring at what he had done. Amelia was standing by the troll's head shock and relief plastered on her face.

It was Hermione who spoke first.

"Is it -- dead?"

I don't think so," said Harry, I think it's just been knocked out."

He bent down and pulled his wand out of the troll's nose. It was covered in what looked like lumpy gray glue.

"Urgh -- troll boogers."

He wiped it on the troll's trousers.

A sudden slamming and loud footsteps made the three of them look up. They hadn't realized what a racket they had been making, but of course, someone downstairs must have heard the crashes and the troll's roars. A moment later, Professor McGonagall had come bursting into the room, closely followed by Snape, with Quirrell bringing up the rear. Quirrell took one look at the troll, let out a faint whimper, and sat quickly down on a toilet, clutching his heart.

Snape bent over the troll. Professor McGonagall was looking at Ron and Harry. Harry had never seen her look so angry. Her lips were white. Hopes of winning fifty points for Gryffindor faded quickly from Harry's mind.

"What on earth were you thinking of?" said Professor McGonagall, with cold fury in her voice. Harry looked at Ron, who was still standing with his wand in the air. "You're lucky you weren't killed. Why aren't you in