It was a bitter night, for although there was no snow as yet, the frost had bound the prairie in its iron grip, when Rancher Witham stood shivering in a little Canadian settlement in the great, lonely land which runs north from the American frontier to Athabasca. There was no blink of starlight in the murky sky, and a stinging wind that came up out of the great waste of grass moaned about the frame houses clustering beside the trail that led south...