The noon sun burned down upon the white frog. He had come thirty miles since dawn. Part of the time he had spent in hitching rides on cars that stopped for service or shopping along the bright highway. Other long minutes had been wasted in devious corners, hiding when someone approached too closely. John was satisfied with the progress, however, and he had gained experience in controlling the frog with minimum effort. He felt that he could produce others while guiding this one but he didn’t want to risk its loss by not giving it full attention. He wished that he might have gone ahead and used it in making others but he wanted to know about Al. The quickest way to find out would be to send the frog to his house. By midafternoon the frog was less than a mile from the house where Kit and A

