Killian's Maze - Book 4: A Space Opera Adventure of Rogues and Rebels vs a Galactic Empire

· The Targon Tales - Sethran Kada Book 4 · Chris Reher
2 reviews
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About this ebook

When, one by one, Sethran Kada’s friends disappear — all guardians of a dangerous secret — it’s time to worry.

Agent Kada is drawn into a desperate search stretching from rebel strongholds to the dangerous fringes of Commonwealth space. What begins as a rescue mission quickly unravels into something far larger: a breakthrough threatening to expose the secrets of Killian’s Maze, a hidden network buried deep within subspace itself.

A discovery powerful enough to reshape civilization.

Or destroy it.

As rebel factions close in and loyalties begin to fracture, Seth must decide how far he is willing to go to protect the people he cares about — and what sacrifices he is prepared to make once the Maze begins pulling them all beyond the limits of endurance and understanding.

"Great characters, high stakes, and a story that kept me turning pages... My favourite so far! I’ve enjoyed all of Chris Reher’s books, but Killian’s Maze is my favourite so far. The mystery that drives Seth and Ciela’s journey pulled me in right away.” — Early Reader Review.  


Science Fiction & Space Opera Series by Chris Reher: Space opera, first contact, alien invasion, galactic empire, military sci-fi, space travel, free first in series

Sethran Kada - The Targon Tales: Sethran

A government agent pretending to be a rebel — or a rebel pretending to be a government agent. Sometimes even he isn’t sure anymore.

1 - Quantum Tangle - A First Contact Thriller

2 - Terminus Shift - A Galactic Espionage Thriller

3 - Entropy's End - An Alien Conspiracy Thriller

4 - Killian's Maze - A Deep Space Thriller


Nova Whiteside - The Targon Tales

A character-driven space opera following an Air Command pilot navigating rebellion, politics, and shifting loyalties across the galactic empire.

0 - Sky Hunter - (a Prequel)

2 - The Catalyst - A First Contact Adventure

3 -Only Human - A Military Space Opera

4 - Rebel Alliances - An espionage Thriller

5 - Delphi Promised - A First Contact Thriller


The Outbounder Chronicles

Explorers and prospectors push beyond the edge of human space, where habitable worlds are rare and every journey into the unknown carries risk.

- Metamorph

For series info, updates, and character gallery visit the author's website.

When, one by one, Sethran Kada’s friends disappear — all guardians of a dangerous secret — it’s time to worry. Agent Kada is drawn into a desperate search stretching from rebel strongholds to the dangerous fringes of Commonwealth space. What begins as a rescue mission quickly unravels into someth...

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Ratings and reviews

2 reviews
Tiberiu Zbirnea
June 10, 2026
There are discoveries that humans cannot handle properly or are too bold to even consider. Human history offers numerous such examples. Caelyn, Sethran's Delphian friend, learns about research by her partner that could completely change the rules of the game: anyone can be a Spanner. The implications are vast for the civilized world but also for the rebels. The story of this fourth novel in the series introduces us to Kada who, together with Ciela (whom he had previously saved from the clutches of the rebels), makes huge efforts to resolve this crisis, as well as a possible attack with galactic implications. The action is fluid and you won't want to put the book down! I wish you a pleasant reading. This is an honest review as an ARC-reader.
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About the author

Chris Reher writes character-driven military science fiction and space opera featuring pilots, spies, rebels, and unclear loyalties. The Targon universe includes two interconnected series, navigating deep space, power, and complicated relationships across fragile interstellar alliances. Grab a book and hop aboard!

Living in Canada, it's inevitable that those of us who lack enthusiasm for snow-related activities end up indoors for a good portion of the year. Thank goodness for computers. And sci-fi. And eBooks.

I've always loved writing about what might be possible - given a certain suspension of disbelief and a rude assault upon the laws of physics. Since there's far too much gravity on this planet, I tend to take my people to other worlds.

Chris Reher writes character-driven military science fiction and space opera featuring pilots, spies, rebels, and unclear loyalties. The Targon universe includes two interconnected series, navigating deep space, power, and complicated relationships across fragile interstellar alliances. Grab a bo...

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