"He tried to sniff noses with her, but she retreated playfully and coyly. Every advance on his part was accompanied by a corresponding retreat on her part. Step by step she was luring him away from the security of his human companionship. Once, as though a warning had in vague ways flitted through his intelligence, he turned his head and looked back at the overturned sled, at his team-mates, and at the two men who were calling to him.”"