Jim Wilson had seen the thing first--a pinpoint of cherry red that moved upward in a perfect arc against the brilliant white constellations of the east. As it rose, it grew perceptibly larger, to dwindle again as it arced over the western horizon. Nearly an hour later it had appeared again; but this time, when halfway up the skies, it had changed its direction until it was heading directly over the spot where the two thrilled campers were watching; and as it approached they saw its color fade slowly until it had disappeared completely from sight among the inky patches between the stars overhead. For minutes the two were not able to locate it--until Jim, once again, had pointed to a faint red spot that grew in color and intensity as it drew away from the zenith. Once again it had disappeared over the rim of the western world--and from then on there was no thought of sleep in the minds of Jim Wilson and Clee Partridge. They were watching the skies, hoping it would return. "What was the thing?" Jim Wilson exclaimed suddenly with exasperation. "I've been racking my brain, Clee, but nothing I can think of makes sense. It couldn't have been a plane, and it couldn't have been a meteor. And if it was a fire-fly--well, then I'm one too." He paused, and looked at the other. "Any new suggestions?" he asked. "Me--I still think it was a space ship from Mars or Venus," Clee Partridge answered drily; "searching for a couple of good Earth-men to help 'em out of some jam. You noticed the way it disappeared for a moment when it was overhead: it was looking us over." "Then it'll be back," answered Jim, not to be outdone, "for it's not apt to find anyone better qualified. I, myself, would kinda like to take a joy-ride out through the Great Dipper." * * * * * Clee smiled and looked down at the luminous dial of his wrist watch. The two resumed their vigil, and there was quietness between them. For some time they lost themselves in the sparkling glory of the firmament, hardly moving, except to pull closer the collars of their flannel shirts against the increasing coldness of the mountain air. And then for the third time that night the mysterious sky traveler sprang over the trees on the eastern horizon. Suddenly it appeared; both men saw it at once; and this time it made a clear, beautiful arc straight for the zenith. As it raised, it grew in size, a beautiful, delicate cherry star spanning the whole welkin. The two men got to their knees and watched it, breathless with fascination. "Look!" cried Jim suddenly. As had happened on its second appearance, the thing began to slow up and its color gradually faded as it drew directly overhead. By the time it should have reached the zenith it could no longer be seen. It had dissolved against the inky spaces above. "It should come into view again in a moment," Clee said; "a little farther on, like the other time."