The Overlord's Thumb By ROBERT SILVERBERG Illustrated by BILL BOWMAN His choice would govern a boy's fate—and, incidentally, Earth's entire future. [Transcriber's Note: This etext was produced from Infinity March 1958. Extensive research did not uncover any evidence that the U.S. copyright on this publication was renewed.] The sun had gone down blood-red, and Colonel John Devall slept poorly because of it. The atmosphere on Markin was not normally conducive to blood-red sunsets, though they did happen occasionally on evenings when the blue of sunlight was scattered particularly well. The Marks connected red sunsets with approaching trouble. Colonel Devall, who headed the Terran cultural and military mission to Markin, was more cultural than military himself, and so was willing to accept the Markin belief that the sunset was a premonition of conflict. He was tall, well-made and erect in bearing, with the sharp bright eyes and crisp manner of the military man. He successfully tried to project an appearance of authoritative officerhood, and his men respected and feared the image he showed them. His degree was in anthropology. The military education was an afterthought, but a shrewd one; it had brought him command of the Markin outpost. The Department of Extraterrestrial Affairs insisted that all missions to relatively primitive alien worlds be staffed and headed by military men—and, Devall reasoned, so long as I keep up the outward show, who's to know that I'm not the tough soldier they think I am? Markin was a peaceful enough world. The natives were intelligent, fairly highly advanced culturally if not technically, easily dealt with on a rational being-to-being basis. Which explains why Devall slept badly the night of the red sun. Despite his elegant posture and comportment, he regarded himself essentially as a bookish, un-military man. He had some doubts as to his own possible behavior in an unforeseen time of crisis. The false front of his officerhood might well crumble away under stress, and he knew it. He dozed off, finally, toward morning, having kicked the covers to the floor and twisted the sheets into crumpled confusion. It was a warmish night—most of them were, on Markin—but he felt