ard the west.
It was remarkable, thought Maya, how smooth and flat the desert looked
from the air, and how rough and rolling it was when one had to walk
across the packed sand. They had been walking for hours and, despite the
gentle gravity of Mars, she was getting very tired.
"It's farther than I thought," said Nuwell, his voice distorted by the
marshelmet speaker. "Distances on the chart are deceptive. We may not
reach Ultra Vires by night."
Maya did not answer. Again, as she had many weeks before, she was in the
grip of a sensation that this desert through which they walked was only
a surface thing, a shimmering mask to the reality which lay behind it.
That reality seemed very deep, very significant, and she felt that she
was on the verge of comprehending it, but could not quite grasp it.
She was a little irritated at Nuwell for speaking when he did. If his
voice had not interrupted her probing emotions, she felt, she might have
broken through to that reality she sensed.
"Nuwell," she said, giving it up, "I'm going to have to rest a while. If
we don't make it by night, we don't make it. There's always tomorrow,
and I'm tired."
Reluctantly, he consented, and they sat down together on the sand.
Nuwell pulled a chart out of his marsuit pocket and began to study it.
Maya lay back, clasped her hands behind her helmet and closed her eyes,
gratefully feeling the tired muscles relax and the perspiration that
bathed her begin to dissolve in the gentle circulation of the marsuit's
temperature-control system.
"Maya!" exclaimed Nuwell suddenly. "Look! We're going to be rescued!"
She sat up and looked in the direction of his pointing finger. On the
horizon to the northeast was a cloud of dust, too placid and stationary
to be a sandstorm.
They stood up, and Nuwell spoke hastily into his helmet radio on the
conventional emergency band.
"Attention, groundcar! Attention, groundcar! We're afoot and in trouble.
We're afoot, due southwest from your position. Help, please. Attention,
groundcar!"
There was no radio reply in the ensuing silence. But all at once it was
as though a deep and alien voice spoke within the depths of Maya's mind:
"_We see you._"
Startled, she looked curiously at Nuwell. But he evidently had not had
the same experience. He was chattering into the radio frantically again.
"They're evidently not tuned in on the emergency band, Nuwell," she said
to him. "But they're coming almost direct
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