I guess I just didn't want anyone to see me observing the change in a mirror and grin, which would have forced me to do something I just hadn't time for--take a sock at him. I suppose there's a little garden-variety vanity in me--show me a man who claims he hasn't a trace of it in his nature and I'll show you a first-class liar--but right at the moment I wouldn't have been lying if I'd said that nothing could have been further from my mind than preening myself on the way I looked. But it was just as well I had privacy, because I had to stand before the mirror for three full minutes to get accustomed to the change, and feel relaxed and casual about it. I'd forgotten to tell Commander Littlefield I'd be needing a tractor, warmed up and ready to roll, and that the place to find it waiting for me would be right outside the gate. The one I'd left there with a dead man sitting in it didn't have quite the trim, speedy look of three or four I'd noticed standing about the skyport and if he could get me a lighter one so much the better. Joan was taking care of it for me. She came back just as I was turning from the mirror, with the silver bird gleaming on my right shoulder. She'd seen me wearing it before, of course, so she wasn't startled. But the tall, stoop-shouldered man with graying temples who had followed her into the room had enough startlement in his eyes to have made her a present of half of it and still made the grade in that respect. He kept staring at the silver bird in tight-lipped silence until I darted a questioning glance at Joan and he seemed to realize he was putting a strain on my patience. "My name's John Lynton," he said, hesitantly. "Commander Littlefield told me you'll be needing a tractor. I have one, and I'll be glad to drive you, sir. I brought the Endicott fuel cylinder to the skyport, so I naturally feel pretty strongly about everything that's happened. There's just one thing I'd like to see happen to Wendel. But I guess I don't have to spell it out for you, sir." I stared at him in amazement. I'd taken it for granted that the Colonist who had delivered the cylinder was no longer at the skyport, because no one had pointed him out to me, and I'd been under too much of a strain to question Littlefield about it. "Well ... that takes care of one thing that puzzled me," I said. "I couldn't understand why you'd just deliver the cylinder and clear out. But people here seem to feel they're privileged to do pretty much as they please at times. So it didn't puzzle me too much." "I was in the Administration Building, talking to a sky ship officer, when you were in the shed, sir," he explained. "But I saw you come into the projection room--"