Just then a door on the second landing opened, and a face poked out wearing horn-rimmed glasses and a very annoyed expression.

“Hi, Percy,” said Harry.

“Oh hello, Harry,” said Percy. “I was wondering who was making all the noise. I’m trying to work in here, you know—I’ve got a report to finish for the office—and it’s rather difficult to concentrate when people keep thundering up and down the stairs.”

“We’re not thundering,” said Ron irritably. “We’re walking. Sorry if we’ve disturbed the top-secret workings of the Ministry of Magic.”

“What are you working on?” said Harry.

“A report for the Department of International Magical Cooperation,” said Percy smugly. “We’re trying to standardize cauldron thickness. Some of these foreign imports are just a shade too thin—leakages have been increasing at a rate of almost three percent a year—”

“That’ll change the world, that report will,” said Ron. “Front page of the Daily Prophet, I expect, cauldron leaks.”

Percy went slightly pink.

“You might sneer, Ron,” he said heatedly, “but unless some sort of international law is imposed we might well find the market flooded with flimsy, shallow-bottomed products that seriously endanger—”

“Yeah, yeah, all right,” said Ron, and he started off upstairs again. Percy slammed his bedroom door shut. As Harry, Hermione, and Ginny followed Ron up three more flights of stairs, shouts from the kitchen below echoed up to them. It sounded as though Mr. Weasley had told Mrs. Weasley about the toffees.

The room at the top of the house where Ron slept looked much as it had the last time that Harry had come to stay: the same posters of Ron’s favorite Quidditch team, the Chudley Cannons, were whirling and waving on the walls and sloping ceiling, and the fish tank on the windowsill, which had previously held frog spawn, now contained one extremely large frog. Ron’s old rat, Scabbers, was here no more, but instead there was the tiny gray owl that had delivered Ron’s letter to Harry in Privet Drive. It was hopping up and down in a small cage and twittering madly.

“Shut up, Pig,” said Ron, edging his way between two of the four beds that had been squeezed into the room. “Fred and George are in here with us, because Bill and Charlie are in their room,” he told Harry. “Percy gets to keep his room all to himself because he’s got to work.”

“Er—why are you calling that owl Pig?” Harry asked Ron.

“Because he’s being stupid,” said Ginny. “Its proper name is Pigwidgeon.”