Evan raised his hand. He had faced a boggart at his gandma's house once when he was nine, and he knew how to deal with it. Or at least in the theory. He had cried for hours then, when the boggart changed into him with a broken leg, and it took the whole family a lot of effort to convince him that no such thing would happen. Ahem, back to the class.

"You have to laugh at them," he said simply. And then came the spell of Riddikulus.