His black science threatened the whole cosmos. Against him frail Princess Nuala thrust her ancient knowledge--but he sneeringly smashed that. And space-toughened Clark Travis stood by helplessly. Of what use here was a pair of ready fists? [Transcriber's Note: This etext was produced from Planet Stories Summer 1948. Extensive research did not uncover any evidence that the U.S. copyright on this publication was renewed.]…
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