Nathan M Farrugia Books in Order
Browse Nathan M Farrugia books in order, with summaries of the Fifth Column and Helix series, reading guidance, and helpful background before you begin.
Last updated: July 14, 2026
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Nathan M Farrugia books in publication order
7 books
The Chimera Vector
by Nathan M Farrugia
2012
Damien and Jay are genetically engineered operatives sent to find Sophia, a rogue agent from the hidden Fifth Column. As their mission exposes holes in their memories, they must learn who shaped their lives and why.
The Seraphim Sequence
by Nathan M Farrugia
2013
Project Seraphim can make people feel and do anything its operators command. Damien, Jay, and Sophia must stop the Fifth Column from deploying this weapon of mass control before its influence spreads beyond the United States.
The Phoenix Variant
by Nathan M Farrugia
2014
After a terrorist attack devastates New York's Upper West Side, rogue operative Sophia recovers a rare meteorite and becomes prey for rival factions. With the city sealed off and a hurricane approaching, escape may be impossible.
Exile
by Nathan M Farrugia
2016
When covert operatives begin disappearing, spy hunter Olesya investigates, only to be exiled to the frozen borderlands of Kaliningrad after her friend is kidnapped. Elsewhere, Damien and Nasira chase answers hidden inside a military base.
Inversion
by Nathan M Farrugia
2017
Olesya discovers a death squad preparing to massacre thousands and frame her team for the attack. To stop a larger plot involving a devastating Russian weapon, she must join forces with Sophia before time runs out.
The Phoenix Ascent
by Nathan M Farrugia
2018
In thirteenth-century China, rogue alchemist Zhu possesses an artifact with otherworldly power. As the Mongol army advances and an assassin closes in, he must keep the relic from a general determined to use it without mercy.
Kill Switch
by Nathan M Farrugia
2020
Olesya and Sophia have one last chance to stop Purity from taking control of Europe. With the Fifth Column closing in, they must infiltrate fortified Prague and reach the enemy's most powerful weapon before it is too late.
Where to start with Nathan M Farrugia
For the full Fifth Column story: The Chimera Vector → The Seraphim Sequence → The Phoenix Variant.
For a short historical prequel: The Phoenix Ascent.
For fast, episodic covert-ops action: Exile → Inversion → Kill Switch.
Nathan M Farrugia sub-series and character series
Fifth Column books in order
Explore this seriesHelix books in order
Explore this series
Exile
by Nathan M Farrugia
2016Helix, Book 2
Inversion
by Nathan M Farrugia
2017Helix, Book 5
Kill Switch
by Nathan M Farrugia
2020Helix, Book 9
Helix books in chronological order

Exile
by Nathan M Farrugia
2016Helix, Book 2
Exile
by Nathan M Farrugia
2016Helix, Book 2
Exile
by Nathan M Farrugia
2016Helix, Book 2
Inversion
by Nathan M Farrugia
2017Helix, Book 5
Inversion
by Nathan M Farrugia
2017Helix, Book 5
Inversion
by Nathan M Farrugia
2017Helix, Book 5
Kill Switch
by Nathan M Farrugia
2020Helix, Book 9
Kill Switch
by Nathan M Farrugia
2020Helix, Book 9
Kill Switch
by Nathan M Farrugia
2020Helix, Book 9
Kill Switch
by Nathan M Farrugia
2020Helix, Book 9
Author bio
Nathan M. Farrugia was born in Melbourne, Australia, on June 28, 1983. He writes technothrillers built around covert operations, altered bodies, hidden organizations, and people who have to make decisions before the clock runs out.
Before publishing fiction, Farrugia served in the Australian Army, including reconnaissance and infantry roles. After his service, he studied film, television, and professional writing. That mix of military experience and screen-based storytelling shows up in the quick pacing and visual set pieces of his novels.
He also worked in post-production as a video editor, colorist, and copywriter. It is an unusually practical route into writing thrillers, but it fits the way his books move, from a tight briefing or chase to a larger conspiracy that keeps changing shape.
Farrugia's first published novel, The Chimera Vector, arrived in 2012. He had initially planned to self-publish it, but an editor he contacted through social media offered it a place with a digital imprint instead. The book introduced the Fifth Column, a shadow organization with influence over governments, militaries, and terror networks.
The series grew through The Seraphim Sequence and The Phoenix Variant, with the companion story The Phoenix Ascent reaching back into an earlier era. Readers who like engineered operatives, uncertain memories, and technology used as a tool of control will find those ideas threaded through the books.
Nothing stays simple for long in a Farrugia story.
His later Helix series returns to the same broad world with a more episodic structure. It follows Olesya, a Russian spy hunter, alongside rogue operatives such as Sophia, Damien, and Jay. Titles including Exile, Inversion, and Kill Switch turn the focus toward disappearances, anti-genetics extremists, betrayals within the team, and threats that spread across Europe.
Farrugia has also put time into physical and practical research. He studies Systema and has trained with instructors from several military and intelligence backgrounds. He has described climbing rooftops in Russia and taking part in tracking exercises with special-forces trainers in the United States, experiences that help explain his interest in escape routes, surveillance, and what people do under pressure.
He is also a video game writer for Saber Interactive. That interest in novels, film, television, and games has remained part of his work from the start, and his fiction often feels designed around momentum, team dynamics, and a problem that gets bigger the closer the characters get to the answer.
The result is a body of work for readers who want conspiracy thrillers with science-fiction edges, capable women at the center of the action, and plenty of reasons to read the next chapter.
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