There was anger in Greg Manning's face ... a terrible anger. His fists knotted and he shook them at the gleaming ship that lay far down near Jupiter. "I've got one trick left," he shouted, almost as if he expected Craven to hear. "Just one trick. Damn you, see if you can stop this one!" He set up the pattern on the board and punched the activating lever. The ten engines thrummed with power. Then the howling died away. Four times they screamed and four times they ebbed into a gentle hum. "Get on the navigation controls!" yelled Greg. "Be ready to give the ship all you've got." Greg leaped for the control chair, grasped the acceleration lever. "Now," growled Greg, "look out, Craven, we're coming at you!" Greg, teeth gritted, slammed the acceleration over. Suddenly all space wrenched