“No, thanks,” said Harry. “The toilet’s never had anything as horrible as your head down it— it might be sick.” Then he ran, before Dudley could work out what he’d said.”

“Nobody’s ever asked me to a party before, as a friend. Is that why you dyed your eyebrow, for the party? Should I do mine too?”

“Mistletoe,” said Luna dreamily, pointing at a large clump of white berries placed almost over Harry’s head. He jumped out from under it. “Good thinking,” said Luna seriously. “It’s often infested with nargles.”