Although a hundred feet and more intervened between them, those on the ground could see that the boy in the air was exerting every ounce of craftsmanship in his battle with the wind. He banked to the right, now dipped and rose, as though striving to ride the twist of air currents flowing about him, instead of drifting helplessly in their battering clutch. At times the wind ship seemed to whirl completely around, yet mostly it was held to an even keel.