Marko Kloos Books in Order

New dropship pilot Halley is handed an airframe with a cursed reputation and a serial number full of thirteens. On her first combat mission she has to decide whether to trust the data, her instincts, and the ship that every other pilot wants to avoid.

After the Battle of Detroit, Territorial Army corporal Jackson tries to understand how a routine pacification spiraled into catastrophe. Her search through ruined housing blocks and frightened civilians becomes a personal reckoning with guilt, orders, and what it really means to fight on home soil.

In 2108, welfare kid Andrew Grayson sees only two ways out of his overcrowded slum: a colony lottery he’ll never win, or military service. Basic training, riot duty, and his first off world deployment quickly show that escaping poverty means facing even deadlier dangers.

War and unrest are tearing humanity apart, from starving riots on Earth to a relentless alien offensive on the colonies. Reenlisted officer Andrew Grayson survives a disastrous assault only to be posted to a misfit-packed ship, where mutiny, invasion, and extinction all feel close.

Cut off on the colony moon of New Svalbard, Staff Sergeant Andrew Grayson and a starving task force must slip through a Lanky blockade to reach Earth. A fragile alliance with former enemies turns their stealth mission into humanity’s most desperate gamble.

After the destruction of a Lanky seed ship gives Earth a brief breathing space, Andrew Grayson trains fresh recruits for whatever comes next. Sent on a covert mission to track down deserters with stolen warships, he discovers that human politics can rival any alien threat.

Set during a massive Lanky assault on Mars, this graphic novel follows Colonel Soraya Yamin and the crew of the cruiser Phalanx as they defend a collapsing front. Outgunned and outnumbered, she must choose between her duty to the fleet and the people she loves.

With Mars under Lanky control, Earth’s alliances throw everything they have into a risky campaign to take it back. Andrew Grayson and Halley command green troops on the front line, where every landing zone, orbital strike, and mistake carries a deadly price.

Humanity has pushed the Lankies out of the solar system, but the war is far from over. On Mars, Andrew and Halley lead exhausted troops in brutal tunnel fighting while new weapons shift the balance, forcing them to reckon with the cost of endless war.

Years after Gretia’s failed grab for power, the Gaia system lives with the war’s scars. Ex Blackguard soldier Aden, an occupation sergeant, a navy officer, and a young industrial heir each see warning signs that peace is crumbling as sabotage and quiet uprisings start to spread.

In this Wild Cards story, T.K., a teenage girl with one paralyzed arm, discovers she can nudge any ball or sphere with her mind. What starts as payback in gym class soon pulls her into bigger risks and a chance to use her power for more than revenge.

A secretive lycanthrope unit, the 300th Special Operations Company, is officially barred from combat and relegated to support work in Afghanistan. When Sergeants Decker and Sobieski uncover a threat worse than roadside bombs, they must decide how far to bend the rules to keep their comrades safe.

Trying to disappear after the war, Aden lives under an assumed identity aboard a merchant ship running dangerous cargo. As unrest on occupied Gretia worsens, a sabotaged fleet, street violence, and covert cells reveal a coordinated insurgency that could drag the Gaia system back into conflict.

Ace bodyguard Khan takes a routine job protecting a wealthy American socialite on a Berlin vacation. When gangsters kidnap his client, he has to rely on his feline joker abilities and street level contacts to navigate the city’s underworld and bring her home alive.

Four years after Earth’s narrow victory, Andrew Grayson is stuck behind a desk until a new offensive against the Lankies needs his skills. Aboard an Avenger class warship, he leads a strike deep into enemy space where one wrong move could doom the species.

Two weeks after a nuclear strike shatters planetary defenses, the Gaia system edges back toward open war. Commander Dunstan Park takes charge of a prototype cruiser while Idina Chaudhary and former POW Aden work planetside, where terrorist attacks and buried loyalties threaten to ignite Gretia again.

Marooned in a dark, distant system, Andrew Grayson and the crew of NACS Washington scout a lone moon that looks barely habitable. What they find there, from lifesaving resources to disturbingly adaptive Lankies, turns a rescue attempt into a hellish survival mission.

Former Blackguard Aden is released from years in a POW camp only to be sent back to Gretia as an undercover operative hunting Odin’s Wolves, a violent nationalist insurgency. As uprisings spread across the Gaia system, his secret mission collides with Idina and Solveig’s own investigations.

On a remote colony hammered by a past Lanky attack, orphaned survivor Alex Archer lives in an underground shelter, running a trained shepherd dog on salvage runs. When one mission goes wrong and the aliens finally find them, survival means risking everything for her found family.

Now a soldier in the NAC Defense Corps, Alex Archer deploys with her unit to investigate a missing warship in the Alpha Corvi system. The Lankies have claimed the colony, evolved new tactics, and turned a planned rescue operation into a brutal fight to escape alive.

When Andrew Grayson and his ship vanish on a classified mission, Halley is ordered to keep a personal journal. Told through her diary entries, this novella follows years of waiting, command challenges, and small daily moments that fill the long silence after someone goes missing.

In the final Frontlines: Evolution novel, Alex Archer and her comrades confront the Lanky threat at its most dangerous yet. A new deployment forces them to decide how much they are willing to sacrifice to protect the scattered remnants of humanity.