Dr John M Duffey Sr.
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Dr John M Duffey Sr.

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John M. Duffey, Sr. is a military science fiction author, combat veteran, behavioral scientist, and mental health counselor who writes about war, survival, leadership, and the human cost of choice. His stories are shaped by firsthand military experience and years of studying how people think, adapt, and endure under pressure.

He is the creator of The Continuity War™, an epic military science fiction series that explores humanity’s return from extinction and its fight to exist independently in a universe dominated by alien empires, post-human civilizations, and forces that operate at the level of reality itself. The series blends large-scale space combat, covert operations, civilian consequence, and command-level decision-making with philosophy that emerges naturally through action.

A lifelong space exploration enthusiast and futurist, Duffey lives in the United States and continues to write within the Continuity War universe. Readers are invited to follow him on Amazon and connect with him on Facebook under John M. Duffey for updates on new releases and future projects.
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