"Sometimes Willow smiled without even trying. But sometimes when she wished she could and knew she should, her smile slipped straight off her face." So when her teacher tells the class that Picture Day is coming, shy Willow starts to worry. What if she isn't able to smile for the camera? How can she have her picture taken without smiling? But then on Picture Day, Willow gets the opportunity to watch the other children being photographed. She sees...