Hal's terror wave passed. He stood free of the strut, walked, bowed, cut a step or two. With a man like Maben at the stick to hold her steady, this was nothing. No more than walking the boards of some earth-bound floor. All you had to do was to keep your mind on your feet, and not look over the edge. Through Hal shot a sudden daring desire to climb a strut to the top wing of the biplane, to stand there erect, outlined against the sky. He gripped a support preparatory to a climb.