The Cavern of the Shining Ones

It was shortly after midnight when a persistent nightmare aroused Don Foster from sleep. For a moment he lay drowsily in his blankets there on the sand, with memory of the night...

It was Foster who broke in with the question that was in the thoughts of the entire party. "Just where do _you_ come in on all this?" he asked bluntly. "And what was your reason...

For a moment as the machine maneuvered still farther over to the right in its conflict with the cornered men, Foster was afraid that his opportunity had passed. An idea came to...