Dark Logic - Tony Harmsworth

Two missions. Two threats. One Earth that may never be the same.



Part I:



Mark Noble returns to Earth expecting a hero’s welcome. Instead, he finds a planet ruled by machines. An AI-driven regime has rewritten global systems, seized control of his ship, and locked down their alien allies as dangerous cargo.

Cut off from communication and facing a cold, inhuman logic, Mark and his team must outmaneuver a system that sees their return as a threat. If they fail, Earth’s future may belong not to humans—but to code.



Part II:



Before they can regroup, a new threat emerges: a mysterious signal from deep space. It’s not a weapon. It’s a vessel. And it’s coming fast.



Chasing the unknown through the outer solar system, Mark’s crew encounters haunting phenomena that defy explanation. Dreams bleed into reality. Sanity fractures. And with time running out before impact, they must face an ancient intelligence—or risk being erased by it.



One book. Two terrifying fronts. And survival isn’t guaranteed. Dark Logic continues the Mark Noble: Edge of the Void series with twin narratives of AI control and cosmic suspense—perfect for fans of Clarke, Heinlein, and the high-stakes tension of Live Die Repeat.

Publisher’s note: Dark Logic was previously published as Cybernetic Tyrant & Deep Space Visitor.



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Praise for the Mark Noble: Edge of the Void series:





★★★★★ “Reads like old masters—classic hard sci-fi with emotional depth.”



★★★★★ “Solid science, real people, strange situations, clever solutions, and unexpected twists. I will read more of this

series.”



★★★★★ “Most innovative sci-fi author I’ve read since the 50's old masters of sci-fi!”



★★★★★ “Reminded me of Doctor to the Stars because of the infection.”



★★★★★ “Believable characters and details, coupled with only modest ‘suspensions of disbelief’... makes me eager for the unfolding story.”



★★★★★ “Fast and easy reading. Kind of like an Alien movie.”



★★★★★ “Good page turner. Fun and exciting without resorting to needless violence.”



★★★★★ “I haven’t been so excited about sci-fi since I first read Heinlein. This is better!”



★★★★★ “Classic hard sci-fi without fluff. Reminded me of Clarke, Asimov, Bradbury.”



★★★★★ “Tony writes what I call real science fiction, like the old masters.”



★★★★★ “Exciting and nerve-wracking… it had me enthralled throughout the entire book.”



★★★★★ “A fresh approach to aliens—finally something different than the usual invasion trope.”