Chapter Eight – Things of the Past CARRIE RUBBED HER SHOULDER. “Next time, you go first.” Dave had also hurt himself. He was rubbing his knee. “I hit the side of the fan on the way through. Sorry, I should have given you time to get out the way, but I thought if I didn’t jump then I might never jump at all.” They were crouched in a short dead end. Another tunnel crossed it front of them. Carrie gasped and grabbed her friend’s arm. A silver machine had whizzed past. As Dave turned to see what she was looking at, more appeared, travelling in both directions. Carrie studied the robots, if that was what they were. They didn’t look anything like the Liberator except for their colouring, and neither did they look like any placktoid she had ever seen. They were about a metre and a half long a