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A transformation with an unsettling horizon
Arthur C. Clarke’s science-fiction premise begins with an unmistakable change in human affairs: vast ships arrive over cities worldwide, and the alien Overlords bring an end to ignorance, disease, poverty, and fear. The account then spans fifty years, placing that apparent improvement alongside a stark consequence—the Overlords begin eliminating humans. The contrast makes the book’s central tension one of progress and its cost, with humanity’s future shaped by forces that promise relief while threatening human survival.
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