Opus X Books in Order

A military veteran from the edges of human space and an Earth detective are drawn into a murder investigation. Their search leads toward a hidden moon and questions about an alien war that officially never happened.

A military veteran and a wealthy family's daughter pursue a murder that points toward a Federation cover-up. Assisted by a military artificial intelligence, the detectives investigate secrets from a moon where an expected alien war never happened.

Jia and Erik investigate crimes concealed by overlapping political interests and secret factions. Discovering who is attacking them means tracing a hidden truth from a distant moon, where powerful people will kill to preserve their secrets.

Erik and Jia confront people empowered by ancient alien technology while weighing their team's future against the stability of the UTC. Their pursuit of vengeance and truth risks harming the people they once fought to protect.

Erik and Jia travel beyond the Solar System to investigate alien artifacts smuggled through Alpha Centauri. Following their team's recent losses, the mission draws them deeper into a conspiracy involving powerful interests and dangerous technology.

Erik and Jia follow secrets buried beneath their society's advanced technology. As their investigation reaches toward government power and Earth's past, uncovering the truth could undermine public confidence and endanger the people they want to protect.

Erik and Jia investigate crimes that offer clues to the deaths of his people. Powerful figures guard the answers, while Erik's desire for vengeance tests how far he will go and how Jia can support him.

Erik and Jia follow their investigation toward military enemies and covert teams willing to kill. Outmatched by their opponents' resources, they need allies to pursue the truth without becoming casualties of the secrets they uncover.

Erik and Jia follow clues about the murder of his people toward a planet nearer Earth and a secret on the moon. Evidence that a hostile alien species may survive raises dangerous questions for humanity.

Erik and Jia investigate secrets powerful people would sacrifice a floating Venusian city to conceal. A risky military offer could strengthen their pursuit, but uncovering the truth may endanger thousands of civilians.

Erik and Jia strengthen their team as their enemies begin revealing weaknesses. An agent's distrust of Jia threatens cooperation, while the pair's pursuit of vengeance and truth puts their alliance under increasing pressure from those opposing them.

A frontier survivor seeking vengeance and a corporate heiress committed to justice take their fight to the Confederation's highest levels. Their search for truth threatens powerful interests, with humanity's future bound to what they uncover.