"NO!" Ron shouted, hand slapping at the barrel of the AR-15, the shot going wild. McLaggen and I dodged the potion-filled pellet and heard it break just behind us. The bus" horn went off as I spun my head and saw Ernie deep asleep, face-first into the steering wheel. Stan lunged for the wheel, grabbing it as he fell over and jerked the bus sharply to the left, tires screeching to a halt while the bus began to tip over.