Algy’s troubles had begun almost immediately after his rush into the air to prevent the Vandal from falling into the hands of those he now classed as ‘the enemy’. On the face of it, his plan seemed feasible enough, and so in ordinary circumstances it would have been; but the circumstances were far from ordinary. He knew, of course, that machines were out, watching for the British amphibian; that was obvious from the actions of those who had spotted it, but not until he was in the air did he realize how widespread was the hue and cry. He flew due west at first, flying back over the ground that the Vandal had covered on its way out, but the appearance of a machine on the horizon directly in front of him made him turn quickly. The wind, he noticed, had swung round to the south, and was bringi

