He started. There was a smash from below. He hesitated and went downstairs again. Suddenly the house resounded with heavy blows and the splintering of wood. He heard a smash and the destructive clang of the iron fastenings of the shutters. He turned the key and opened the kitchen door. As he did so, the shutters, split and splintering, came flying inward. He stood aghast. The window frame, save for one crossbar, was still intact, but only little teeth of glass remained in the frame. The shutters had been driven in with an axe, and now the axe was descending in sweeping blows upon the window frame and the iron bars defending it. Then suddenly it leapt aside and vanished. He saw the revolver lying on the path outside, and then the little weapon sprang into the air. He dodged back. The revolver cracked just too late, and a splinter from the edge of the closing door flashed over his head. He slammed and locked the door, and as he stood outside he heard Griffin shouting and laughing. Then the blows of the axe with its splitting and smashing consequences, were resumed.

Kemp stood in the passage trying to think. In a moment the invisible man would be in the kitchen. This door would not keep him a moment, and then⁠—