¡°Er ¡ª not now ¡ª I was going to go to the library and do that vampire essay for Lupin ¡ª¡±
¡°I can't, Harry. I've still got four hundred and twenty-two pages to read!¡± said Hermione, now sounding slightly hysterical. ¡°Anyway¡¡± She glanced over at Ron too. ¡°He doesn't want me to join in.¡±
¡°W ¡ª what?¡± said Harry, scrambling to his feet. ¡°Why?¡±
Harry moved toward her, completely bewildered. She was holding the chain out. He saw a tiny, sparkling hourglass hanging from it.