The oldest boy came striding into sight. He had already changed into his billowing black Hogwarts robes and Harry noticed a shiny red and gold badge on his chest with the letter P on it. ‘Can’t stay long, Mother,’ he said. ‘I’m up front, the Prefects have got two compartments to themselves –’ ‘Oh, are you a Prefect, Percy?’ said one of the twins, with an air of great surprise. ‘You should have said something, we had no idea.’
