Marko Kloos
Marko Kloos is a science fiction author known for his military science fiction series, Frontlines. His work often explores themes of warfare, technology, and human resilience in futuristic settings.
Books
This list of books are ONLY the books that have been ranked on the lists that are aggregated on this site. This is not a comprehensive list of all books by this author.
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1. Terms Of Enlistment
Set in a future where Earth is overpopulated and resources are scarce, the story follows Andrew Grayson, a young man from the slums who enlists in the military to escape his bleak existence. As he navigates the rigorous training and harsh realities of military life, he is thrust into a universe of interstellar conflict and political intrigue. With humanity's survival at stake, Andrew must confront the moral complexities of war and the sacrifices required to protect his home and loved ones.
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2. Verzen
Set in a future where humanity has expanded into the stars, the narrative follows a group of soldiers navigating the complexities of interstellar warfare and political intrigue. As they face relentless alien adversaries and grapple with the moral dilemmas of their mission, the characters must confront their own personal demons and the harsh realities of survival. The story weaves together themes of camaraderie, sacrifice, and the relentless pursuit of peace in a universe teetering on the brink of chaos.
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3. Chains Of Command
In the aftermath of devastating defeats and growing political infighting, a battle-hardened officer is pulled into a sensitive assignment that exposes corruption and self-serving agendas at the highest levels while an implacable alien threat looms. Torn between obedience and conscience, he defies reckless orders to protect abandoned troops and civilians, assembling a small team to deliver aid and evidence even as the front collapses. The result is a taut blend of battlefield action and political intrigue about loyalty, accountability, and doing the right thing when the system won’t.
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4. Lines Of Departure
A seasoned soldier-turned-fleet operator navigates a war on two fronts: implacable alien invaders driving humanity from its colonies and political collapse igniting unrest at home. From riot suppression to desperate evacuations and brutal ship-to-ship battles, he and his unit confront failing strategies and hard moral choices, forging uneasy truces with former human enemies to keep civilians alive. As the front lines close in, they risk everything on a tenuous plan that may be the last, fragile hope for survival.
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6. Lucky Thirteen
A combat dropship pilot in a far-future war is assigned to a craft with a deadly reputation and a string of lost crews, but she gradually forges a bond with the ship’s systems as they pull off increasingly dangerous insertions and extractions under fire. Through hard-won missions and near-fatal engagements, the pair overturn superstition with performance, earning newfound respect from fellow soldiers. When a final, desperate operation pushes them to the brink, the pilot must confront the price of survival and the line between luck, skill, and loyalty.
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7. Angles Of Attack
As towering alien invaders tighten their grip on the Solar System and human alliances splinter, a battle-hardened soldier and his unit struggle to keep a beleaguered fleet alive—ferrying refugees, scavenging supplies, and navigating blockaded systems amid political infighting. Pushed into daring missions behind enemy lines, they gamble on an audacious plan to break the siege and carve out a future for humanity. The result is a tense, fast-moving fight for survival that tests loyalty, ingenuity, and resolve.
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8. Scorpio
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9. Corvus
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