The French girl smiled politely at Professor Snape. She wanted to achieve passable marks, so she just stood there paying stiff attention at the tall man. His voice was deep and cold as ice, which made Larissa's hair stand on an end. Also he seemed very calm. But, not so nice calm, but dead calm. Like something was wrong with him. However, he had just told them to open their books on page 298. She gulped lightly.