"Only one other man on board knows that," he whispered. "If anything
happens to me--or him--"
Him? Who? I had no time to ask. Mackensie had flung open the door;
shoved me out onto the deck. It still seemed deserted; dim with
starlight from the glassite dome overhead. Amidships, some forty feet
from me, the light in Smith's little helio cubby showed faintly eerie
in one of his windows.