The Temple of the Sun
me to test the correctness of my hypothesis, that this portal had been the means of ingress to the temple used by Thurid, the black dator, and Matai Shang, Father of Therns.
Turning away abruptly, I called to him to follow me. For a moment he hesitated, and then leaped after me, whining and tugging at my harness to draw me back. I walked on, however, some distance from the door before I let him have his way, that I might see precisely what he would do. Then I permitted him to lead me wherever he would.
Straight back to that baffling portal he dragged me, again taking up his position facing the blank stone, gazing straight at its shining surface. For an hour I worked to solve the mystery of the combination that would open the way before me.
Carefully I recalled every circumstance of my pursuit of Thurid, and my conclusion was identical with my original belief—that Thurid had come this way without other assistance than his own knowledge and passed through the door that barred my progress, unaided from within. But how had he accomplished it?
I recalled the incident of the Chamber of
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