[Transcriber Note: This etext was produced from IF Worlds of Science Fiction November 1952. Extensive research did not uncover any evidence that the U.S. copyright on this publication was renewed.] The two men attacked the thick tree trunk with a weary savagery. In the bright sunlight, glistening spatters of sweat flew from them as the old axes bit alternately into the wood. Blackie stood nearby, on the gravel shoulder of the highway, rubbing his short beard as he considered the depth of the whi

A shower of gravel spattered after him as Mike jammed his heels into the shoulder of the highway to anchor the other end. Then he heard the booming sound of the robot's fall. Blackie clawed his way up the bank. Vito and Sid were smashing furiously at the floundering machine. Mike danced about the melee with bared teeth, charging in once as if to leap upon the quarry with both feet. Frustrated by the peril of the whirling two-by-fours, he swept up handfuls of gravel to hurl. Blackie turned to run