Humanity's first interstellar mission should have changed the future. Instead, it uncovers a past that should not exist. In the 24th century, Lieutenant-Commander Scott Sinclair leads the starship Terra Nova toward a distant world showing signs of intelligent life-until a catastrophic anomaly tears the mission off course and strands the crew in a civilization shaped by ancient powers. If Sinclair intervenes, he may change the course of history. If he doesn't, humanity's future may already be lost. The Past Frontier blends hard science fiction with first contact, political intrigue, and the echoes of ancient worlds-exploring artificial intelligence, power, loyalty, and the human need for connection across centuries of change. Contains mature themes and explicit content.
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