ILLUSTRATIONS[ "Forward!" shouted the captain in a loud, clearvoice . . . . . . . . . Frontispiece ][ Leon whirled swiftly in time to see a big-helmeted Germanwith the butt end of his rifle upraised preparing to strike ][ The air was filled with smoke and dust from the crumbling plaster ][ "Let 'em have it!" cried Leon and the three automatic gunsspoke almost as if they were one piece ]