““Not a word to Molly,” he whispered to Harry as he opened the trunk and showed him how it had been magically expanded so that the luggage fitted easily. When at last they were all in the car, Mrs. Weasley glanced into the back seat, where Harry, Ron, Fred, George, and Percy were all sitting comfortably side by side, and said, “Muggles do know more than we give them credit for, don’t they?” She and Ginny got into the front seat, which had been stretched so that it resembled a park bench. “I mean, you’d never know it was this roomy from the outside, would you?” Mr.””