ZEN ZEN By JEROME BIXBY Because they were so likable and intelligent and adaptable—they were vastly dangerous! Because they were so likable and intelligent and adaptable—they were vastly dangerous! It's difficult, when you're on one of the asteroids, to keep from tripping, because it's almost impossible to keep your eyes on the ground. They never got around to putting portholes in spaceships, you know—unnecessary when you're flying by GB, and psychologically inadvisable, besides—so an asteroid is about the only place, apart from Luna, where you can really see the stars. It's There are so many stars in an asteroid sky that they look like clouds; like massive, heaped-up silver clouds floating slowly around the inner surface of the vast ebony sphere that surrounds you and your tiny foothold. They are near enough to touch, and you want to touch them, but they are so frighteningly far away ... and so beautiful: there's nothing in creation half so beautiful as an asteroid sky. You don't want to look down, naturally. I had left the Lucky Pierre to search for fossils (I'm David Koontz, the Lucky Pierre's paleontologist). Somewhere off in the darkness on either side of me were Joe Hargraves, gadgeting for mineral deposits, and Ed Reiss, hopefully on the lookout for anything alive. The Lucky Pierre was back of us, her body out of sight behind a low black ridge, only her gleaming nose poking above like a porpoise coming up for air. When I looked back, I could see, along the jagged rim of the ridge, the busy reflected flickerings of the bubble-camp the techs were throwing together. Otherwise all was black, except for our blue-white torch beams that darted here and there over the gritty, rocky surface. I had The twenty-nine of us were E.T.I. Team 17, whose assignment was the asteroids. We were four years and three months out of Terra, and we'd reached Vesta right on schedule. Ten minutes after landing, we had known that the clod was part of the crust of Planet X—or Sorn, to give it its