Agent Mayberry adjusted his face goggles and then twisted the speed control slightly. With hardly a sound, the powerful machine began to move ahead and steered carefully down the hill back on to the soft snow again. Twisting the control around further he caused the snowmobile to race away at maximum speed over the tracks which were now showing up more clearly.
About an hour later he came to another hill and could see Ivanovov’s tracks leading around it. He steered the machine up the hill and then slowed down again almost to a halt as he reached the top. He stood up from the saddle and peered ahead. Yes, there was his quarry, and only about a mile away now.
He accelerated down the hill and soon began to catch up with the sledge ahead of him. He reached for his revolver, ready to challenge
