 Who is the man climbing the mountain?
Illustrated by Schoenherr The wind howled out of the northwest, blind with snow and barbed with ice crystals. We got lined up between Earth and Mars, you'll remember, and James pushed the button marked 'Jump'. Walking, talking natives on a blue sky planet with 1.1 g gravity and a twenty per cent oxygen atmosphere at fifteen p.s.i. When I say they, I mean a ten-man team of them. Of course it's a screwy situation, playing chess with something that grows its own fur coat, has yellow eyes an inch and a half long and long white whiskers. Same as a fifty thousand mile fall, I suppose; same as escape; twenty-four thousand miles an hour.
 An astronomical surveyor who ended up there by accident
 A mountain guide looking for survivors  An astronomical surveyor who ended up there by accident  A mountaineer who happened to stumble upon an old radio  A Chang native looking for people on this planet