"Now," I brought forth crisply. "Immediately. We are gambling with the fate of a world, a fine and happy people. Let us throw the dice quickly, for the strain of waiting will not help us. Is that as you would wish it, gentlemen?" "It is, sir!" came the grave chorus. "Very well. Mr. Croy, please report with a detail of ten men, to Bori Tulber, and tell him of our decision. Bring the messenger back with you. The rest of you, gentlemen, to your stations. Make any preparations you may think advisable. Be sure that every available exterior light is in readiness. Let me be notified the moment the messenger is on board and we are ready to take off. Thank you, gentlemen!" * * * * * I hastened to my quarters and brought the _Ertak's_ log down to the minute, explaining in detail the course of action we had decided upon, and the reasons for it. I knew, as did all the _Ertak's_ officers who had saluted so crisply, and so coolly gone about the business of carrying out my orders, that we would return from our trip to the dark side of Antri triumphant or--not at all. Even in these soft days, men still respect the stern, proud motto of our service: "Nothing Less Than Complete Success." The Special Patrol does what it is ordered to do, or no man returns to present excuses. That is a tradition to bring tears of pride to the eyes of even an old man, in whose hands there is strength only for the wielding of a pen. And I was young, in those days. It was perhaps a quarter of an hour when word came from the navigating room that the messenger was aboard, and we were ready to depart. I closed the log, wondering, I remember, if I would ever make another entry therein, and, if not, whether the words I had just inscribed would ever see the light of day. The love of life is strong in men so young. Then I hurried to the navigating room and took charge. Bori Tulber had furnished me with large scale maps of the daylight portion of Antri. From the information conveyed to me by the messenger of the people of darkness--the Chisee they called themselves, as nearly as I could get the sound--I rapidly sketched in the map of the other side of Antri, locating their principal city with a small black circle. Realising that the location of the city we sought was only approximate, we did not bother to work out exact bearings. We set the _Ertak_ on her course at a height of only a few thousand feet, and set out at low atmospheric speed, anxiously watching for the dim line of shadow that marked the twilight zone, and the beginning of what promised to be the last mission of the _Ertak_ and every man she carried within her smooth, gleaming body. * * * * * "Twilight zone in view, sir," reported Croy at length. "Thank you, Mr. Croy. Have all the exterior lights and searchlights turned on. Speed and course as at present, for the time being."