Beside Still Waters
As the years passed, the air pump began to labor a little as it converted the oxygen in the planetoid's rock into a breathable atmosphere. The air seeped into space, and the pump worked a little harder, supplying more.
The crops continued to grow on the tamed black dirt of the planetoid. Looking up, Mark could see the sheer blackness of the river of space, the floating points of the stars. Around him, under him, overhead, masses of rock drifted, and sometimes the starlight glinted from their black sides. Occasionally, Mark caught a glimpse of Mars or Jupiter. Once he thought he saw Earth.
Mark began to tape new responses into Charles. He added simple responses to cue words. When he said, "How does it look?" Charles would answer, "Oh, pretty good, I guess."
At first the answers