Serilda shook her head. "It's ok Tonya, Professor. I'm fine," she hissed; she knew it was only a bruise, even though it hurt like a mother. "It's just a cut and a bruise; nothing that won't heal in a day or two." Serilda glanced sideways at Edd and then down at the ground again. Sorry, she thought. She looked at the professor over the tops of her spectacles.