Books like 'Citizen X'

Readers who enjoyed Citizen X by Thomas DePrima also liked the following books featuring the same tropes, story themes, relationship dynamics and character types.

sc-fi space action / adventure military, war & conflict space-opera war military far-away-galaxy soldiers aliens

Revolution by Joshua Dalzelle
Rated: 4.58 of 5 stars
· 26 ratings
For thousands of years the ConFed has been the most powerful force in the quadrant. It is the umbrella under which hundreds of planets and trillions of beings live in relative peace ... despite the corruption and waste, it's a system that most accept as preferable to the chaos that would ensue in its absence...

Categorized as:
aliens galactic-empire military soldiers space-fleet space-opera war action-adventure
Stand Alone: Wolfhounds - Book One by John Van Stry
Rated: 4.59 of 5 stars
· 11 ratings
Chase had it all planned out, do a little time in one of the emperor's jails, say a four year stretch for getting rid of some trash that no one would miss, and when he got out, the path to the leadership would be wide open...

Categorized as:
military space-opera soldiers galactic-empire space-fleet sci-fi action-adventure fiction
Rebellion by Joshua Dalzelle
Rated: 4.57 of 5 stars
· 23 ratings
The quadrant is on the brink of all-out civil war, but almost nobody knows it. Now that he knows a malevolent AI that calls itself the Machine has seized much of the ConFed's military apparatus and even controls the Grand Adjudicators themselves, Jason Burke must decide if he risks picking a fight with such an overmatched enemy, or if he runs to hide and fight another day...

Categorized as:
aliens galactic-empire military soldiers space-fleet space-opera war action-adventure
The Human Factor by Joshua Dalzelle
Rated: 4.49 of 5 stars
· 26 ratings
Captain Jason Burke is a man apart, and not just because he's the only of his kind for thousands of lightyears in any direction. The changes to his body and to his genetic code have made him faster, stronger, more able to survive in his dangerous occupation ... but they've also ensured that he'll never truly fit in with others of his species...

Categorized as:
aliens galactic-empire military soldiers space-fleet space-opera war action-adventure
Citadel by Marko Kloos
Rated: 4.46 of 5 stars
· 28 ratings
An interplanetary battle is renewed in an epic novel of a warring solar system by the author of Ballistic.The war should have been over. But it’s not for a group of nationalists grabbing for control.It’s been two weeks since a missile with a nuclear warhead tore through the planetary defenses in the most blistering large-scale attack ever committed in the history of the Gaia system...

Categorized as:
galactic-empire military soldiers space-fleet space-opera war action-adventure adult
Star Wars: Thrawn Ascendancy by Timothy Zahn
Rated: 4.39 of 5 stars
· 36 ratings
The fate of the Chiss Ascendancy hangs in the balance in the epic finale of the Star Wars: Thrawn Ascendancy trilogy from bestselling author Timothy Zahn. For thousands of years The Chiss Ascendancy has been an island of calm, a center of power, and a beacon of integrity. Led by the Nine Ruling Families, their leadership stands as a bulwark of stability against the Chaos of the Unknown Regions...

Categorized as:
aliens galactic-empire military space-fleet space-opera war action-adventure adult
Anvil Dark by J.N. Chaney, Terry Maggert
Rated: 4.54 of 5 stars
· 21 ratings
The guild is under attack, and Van is right in the middle of it all.When Master Yewlo is abducted by unknown forces, the Peacemakers are thrown into chaos as the rescue mission begins. Finding Yewlo will be hard, but the search reveals secrets the guild might not survive—secrets about a system so corrupt, it will take Van and his team’s best efforts to untangle the truth...

Categorized as:
aliens galactic-empire military soldiers space-fleet space-opera action-adventure adult
Livesuit by James S.A. Corey
Rated: 4.33 of 5 stars
· 18 ratings
Humanity's war is eternal, spread across the galaxy and the ages. Humanity's best hope to end the endless slaughter is the Livesuit forces. Soldiers meld their bodies to the bleeding edge technology, becoming something more than human for the duration of a war that might never end.The first novella set in the universe of James S. A. Corey's epic Captive's War series...

Categorized as:
space-opera aliens war military soldiers space-fleet sci-fi fiction
The Price of Liberty by D.J. Holmes
Rated: 4.50 of 5 stars
· 10 ratings
War has been declared. The Indian Star Republic has landed ground troops on the newly discovered colony of Haven as they seek to seize access to the alien worlds of Vestar and Kulthar. The British Star Kingdom has reacted. A battle fleet has been formed with orders to drive off the Indians and retake Haven...

Categorized as:
galactic-empire military soldiers space-fleet space-opera war action-adventure adult
The Grand Conspiracy by J.N. Chaney, Terry Mixon
Rated: 4.50 of 5 stars
· 10 ratings
Keep your friends close.After successfully striking back at the alien invaders, Commodore Jack Romanoff and his crew have liberated the cluster capital at Argent. For the first time, it seems like they might be getting their feet back underneath them.Keep your enemies closer...

Categorized as:
aliens galactic-empire military soldiers space-fleet space-opera action-adventure adult
Turning Point by Jason Anspach, Nick Cole
Rated: 4.53 of 5 stars
· 20 ratings
Fight to Win. With the galaxy in turmoil, the Legion initiates Article Nineteen, a hard reset designed to halt the corruption and ineptitude that continues to spill forth from the Galactic Core. But when the House of Reason aligns itself with the bloodthirsty zhee extremists, the Legion has no choice but to commit to a savage campaign of Total War...

Categorized as:
aliens galactic-empire military soldiers space-fleet space-opera war action-adventure
Children of Angels by J.N. Chaney, Jonathan P. Brazee
Rated: 4.44 of 5 stars
· 25 ratings
The war has only just begun.While rescuing a world from Centaur control, the Marines discover that not all humans on the planet are slaves. The Children of Angels believe their masters have been sent by the gods to lift up mankind.Humanity now has two enemies, one from the farthest reaches of the Galaxy and the other from within...

Categorized as:
aliens galactic-empire military soldiers space-fleet space-opera action-adventure adult
Legacy of Stars by J.N. Chaney, Terry Maggert
Rated: 4.59 of 5 stars
· 17 ratings
There are some things you simply can’t escape. For Van, it’s family.Out among the stars, his cousin, Carter Yost, drags Van and his team into a criminal ring run by the High Doctor- a dangerous con artist with delusions of grandeur. Working from the abandoned world of Pathway, the High Doctor has created a cult, stealing a fortune from the fearful, sick, and scared...

Categorized as:
aliens galactic-empire military soldiers space-fleet space-opera action-adventure adult
Fortitude by Glynn Stewart
Rated: 4.42 of 5 stars
· 12 ratings
An offer that no one else could matchA mission that no one else could achieveAn enemy only a few know they share…Commodore Kira Demirci is now the commander of a small but powerful mercenary force—one of the most dangerous in the cluster of stars she now calls home. Her own actions have brought peace to the Syntactic Cluster, though, and a mercenary is in limited demand...

Categorized as:
military space-opera galactic-empire soldiers space-fleet sci-fi action-adventure fiction
Redemption by Joshua Dalzelle
Rated: 4.41 of 5 stars
· 27 ratings
There is a fine line between right and wrong, good and evil. For years Jason Burke has straddled that line as best he can, always convinced that despite the violence carried out by him and his team they were firmly on the right side of that line. But as he reflects on his time with Omega Force, he begins to have his doubts...

Categorized as:
aliens galactic-empire military soldiers space-fleet space-opera war action-adventure
Thrawn by Timothy Zahn
Rated: 4.29 of 5 stars
· 42 ratings
One of the most cunning and ruthless warriors in the history of the Galactic Empire, Grand Admiral Thrawn is also one of the most captivating characters in the Star Wars universe, from his introduction in bestselling author Timothy Zahn’s classic Heir to the Empire through his continuing adventures in Dark Force Rising, The Last Command, and beyond...

Categorized as:
aliens far-away-galaxy galactic-empire military soldiers space-opera war action-adventure
Prisoners of Darkness by Jason Anspach, Nick Cole
Rated: 4.46 of 5 stars
· 21 ratings
The galaxy is spiraling into all-out war. The Battle of Tarrago was just the beginning. Following Goth Sullus's ruthless onslaughts against the Republic, a desperate House of Reason searches for scapegoats—and finds one, deserving or not, in Commander Ellek Owens. His sentence is cruel, unjust—and final. Unless Victory Squad has anything to say about it...

Categorized as:
aliens galactic-empire military soldiers space-fleet space-opera war action-adventure
Darkness Beyond by Glynn Stewart
Rated: 4.41 of 5 stars
· 24 ratings
A newly-founded human colony world burned from orbit A warship squadron of the galaxy’s oldest race ambushed and destroyed An ancient enemy reborn in the darkness beyond the known stars The A!Tol Imperium and their new human subjects have had fifteen years of relative peace. New colonies have been founded, new worlds explored, new ships built...

Categorized as:
aliens galactic-empire military soldiers space-fleet space-opera war action-adventure
Galaxy's Edge: Takeover: Season Two: Book One by Jason Anspach, Nick Cole
Rated: 4.50 of 5 stars
· 8 ratings
Every disaster brings an opportunity. Goth Sullus and his empire have fallen. With the Legion and the rest of the galaxy watching from the still-smoldering galactic core, Carter, a former legionnaire turned private contractor, and Jack Bowie, a Navy spy with nowhere left to turn, sign up to work for an enterprising private contractor looking to make a statement on the planet Kublar...

Categorized as:
aliens military soldiers space-fleet space-opera war action-adventure adult
Star Force: Rift by Aer-ki Jyr
Rated: 4.50 of 5 stars
· 8 ratings
The temporary truce between Star Force and the V'kit'no'sat sends shockwaves throughout the galaxy. No one has ever defied the V'kit'no'sat and lived, but now Star Force has and many races are taking notice...including one that no one expects, on either side...

Categorized as:
aliens galactic-empire military space-fleet space-opera action-adventure adult book
Star Force: Excalibur by Aer-ki Jyr
Rated: 4.50 of 5 stars
· 8 ratings
The Zak'de'ron take note of the Rit'ko'sor joining Star Force, making contact and making their wishes known...but in the process they make a critical mistake that will forever alter their relationship with the trailblazers...

Categorized as:
aliens galactic-empire military soldiers space-fleet space-opera action-adventure adult
Warrior King by Evan Currie
Rated: 4.35 of 5 stars
· 29 ratings
Battle-weary after a desperate fight to save Earth from the Drasin alien onslaught, Confederation Captain Eric Weston is tasked with a perilous new mission. He and the crew of the Odysseus must hunt down those who unleashed the hellish attack on his homeworld and that of Earth’s Priminae allies...

Categorized as:
aliens military soldiers space-fleet space-opera war action-adventure adult
Thrawn: Treason by Timothy Zahn
Rated: 4.29 of 5 stars
· 37 ratings
Grand Admiral Thrawn faces the ultimate test of his loyalty to the Empire in this epic Star Wars novel from bestselling author Timothy Zahn.“If I were to serve the Empire, you would command my allegiance.” Such was the promise Grand Admiral Thrawn made to Emperor Palpatine at their first meeting...

Categorized as:
aliens far-away-galaxy galactic-empire military soldiers space-opera war action-adventure
Rimward Stars by Glynn Stewart
Rated: 4.39 of 5 stars
· 24 ratings
A helpless ally calls for aid A ruthless enemy strikes without mercy The fate of empires turns on even the smallest actions When a minor trade partner sends the Castle Federation a desperate call for aid, they have few resources to spare from their all-consuming war against the Terran Commonwealth...

Categorized as:
galactic-empire military soldiers space-fleet space-opera war action-adventure adult
Survivors by Toby Neighbors
Rated: 4.40 of 5 stars
· 10 ratings
Nothing in the Corps is guaranteed!Staff Sergeant Eli Vanhorn isn’t the man he used to be. Once a proud member of the Fleet Marine Corps’ elite Terrestrial Advance Combat teams, the battle on colony planet Luyten C left him broken and scarred. But after a year of surgeries and physical therapy, he’s ready to complete his enlistment as Master of Arms on the exploration vessel Rihla...

Categorized as:
aliens galactic-empire military soldiers space-fleet war action-adventure book
Equilibrium by Glynn Stewart
Rated: 4.40 of 5 stars
· 10 ratings
Peace forged on the edge of civilizationLies forged in the heart of mankindA legend rises to the final challengeExile to the Syntactic Cluster has been good for Kira Demirci and her friends. Once elite pilots of the Apollo System Defense Force, they now own the most powerful mercenary warship in the entire star cluster...

Categorized as:
galactic-empire military soldiers space-fleet space-opera war action-adventure adult
Galactar by Anthony James
Rated: 4.40 of 5 stars
· 10 ratings
Following decades of war and the recent catastrophic loss of an entire planet, the Human Planetary Alliance is riven by internal disputes and rivalries. The military’s old guard fights for power against those who see a chance to turn things around.After a series of hard-fought victories, Captain Carl Recker is becoming recognized as a man who gets results - a man who knows how to beat the Daklan...

Categorized as:
aliens galactic-empire military soldiers space-fleet space-opera action-adventure adult
Fulcrum Gun by Anthony James
Rated: 4.40 of 5 stars
· 10 ratings
Lost in hostile space and pursued by the most powerful warship in the known universe, Captain Carl Recker is losing hope and running out of options. His battleship Fulcrum is no match for this enemy and the Meklon aliens who might have helped him are dead, killed by the Galactar’s murderous weaponry.Somehow, Recker must find a way to succeed where the might of an alien empire already failed...

Categorized as:
aliens galactic-empire military soldiers space-fleet space-opera action-adventure adult
Laws of Ancidium by Anthony James
Rated: 4.40 of 5 stars
· 10 ratings
Having fought his hardest battle, Captain Carl Recker returns to planet Lustre, bringing the alien battleship Fulcrum with him.Recker is under no illusions that he’ll be offered backdated shore leave, but his feet don’t even touch the ground before trouble shows up. A heavily armed fifty-thousand-metre Meklon interstellar drops out of lightspeed near the planet...

Categorized as:
aliens galactic-empire military soldiers space-fleet space-opera action-adventure adult
Archangel Rising by Evan Currie
Rated: 4.39 of 5 stars
· 23 ratings
Archangel Squadron faces off against the forces of the brutal Protectorate to claim a prize, and save humanity, in a gripping novel of deep space jeopardy by the author of the Odyssey One series. At the helm of a commandeered freighter, Captain Steph Michaels has infiltrated the Free Star systems...

Categorized as:
aliens galactic-empire military soldiers space-fleet space-opera war action-adventure
Relics of Eternity by Glynn Stewart
Rated: 4.33 of 5 stars
· 12 ratings
The edge of Imperial expansionFar from Earth and the other homeworldsHere lie the secrets of ancient godsHere…there be dragonsSeeking to escape the shadow of Annette Bond’s success, Captain Morgan Casimir has taken a posting on the far side of the A!Tol Imperium. Here, she hopes to begin a legend for herself that stands apart from her stepmother the Duchess...

Categorized as:
aliens galactic-empire military soldiers space-fleet space-opera war action-adventure
Border Wars by Evan Currie
Rated: 4.33 of 5 stars
· 12 ratings
The mission continues as Sorilla, the Green Berets of the Fifth, and the Lucian Sentinels take their investigation to the colony world claimed by Islamic separatists during the very earliest of Earth's Diaspora period...

Categorized as:
aliens military soldiers space-opera war action-adventure adult book
Order of the Centurion by Jason Anspach, Nick Cole
Rated: 4.54 of 5 stars
· 15 ratings
A PRICE PAID IN BLOOD “The Order of the Centurion is the highest award that can be bestowed upon an individual serving in, or with, the Legion...

Categorized as:
aliens galactic-empire military soldiers space-opera war action-adventure adult
Raven's Peace by Glynn Stewart
Rated: 4.31 of 5 stars
· 13 ratings
Ten thousand stars, once chained, taste freedom An eternal empire, once undefeated, falls to pieces An alliance, once united, now lacks a common foe War was hard enough. Peace may be impossible For seventeen years, Colonel Henry Wong and the United Planets Space Force have fought the Kenmiri Empire...

Categorized as:
aliens galactic-empire military soldiers space-fleet space-opera war action-adventure
The Others by Jay Allan
Rated: 4.46 of 5 stars
· 17 ratings
From the deepest darks of unknown space, evil comes… Admiral Tyler Barron and the Confederation navy face a new threat, darker and deadlier than any that have come before...

Categorized as:
aliens galactic-empire military soldiers space-fleet space-opera war action-adventure
Ballistic by Marko Kloos
Rated: 4.20 of 5 stars
· 20 ratings
There is a personal price to pay for having aligned with the wrong side in a reckless war. For Aden Jansen it’s the need to adopt a new identity while keeping his past hidden. Now he’s integrated himself aboard the Zephyr, a merchant ship smuggling critical goods through dangerous space. But danger is imminent on planet Gretia, as well...

Categorized as:
galactic-empire military soldiers space-fleet space-opera war action-adventure adult
Valdar's Hammer by Richard Fox, Scott Moon
Rated: 4.50 of 5 stars
· 6 ratings
War has come to Syracuse, and only one team of Terran Strike Marines can save the planet. They are Valdar's Hammer. Admiral Isaac Valdar leads the Breitenfeld, and a fleet of Dotari allies, in a last ditch attempt to break a Kesaht blockade over the human colony. Failure means the death of millions of innocent lives - but the aging carrier, and her commander, have a reputation for miracles...

Categorized as:
aliens military soldiers space-fleet space-opera action-adventure adult audiobook
Acheron Redemption by Ken Lozito
Rated: 4.50 of 5 stars
· 6 ratings
Sentinel warships were the answer to the Federation Wars. They brought peace and stability....or so they thought.The Sentinels are a menace, terrorizing spacers across the galaxy in their hunt. But change is coming, and spacers across the galaxy will have to choose whether to fight for their future or not...

Categorized as:
aliens galactic-empire military soldiers space-fleet space-opera action-adventure adult
Star Force: Dawn of the Apocalypse by Aer-ki Jyr
Rated: 4.50 of 5 stars
· 6 ratings
The onslaught has begun and the galaxy must cope with a very slow moving certainty of its eventual destruction...

Categorized as:
aliens galactic-empire military space-fleet space-opera action-adventure adult book
Star Force: Reclaimers by Aer-ki Jyr
Rated: 4.50 of 5 stars
· 6 ratings
Does Star Force have enough races in it yet? No...not even close...

Categorized as:
aliens galactic-empire military soldiers space-fleet space-opera action-adventure adult
Chaos Rising by Timothy Zahn
Rated: 4.26 of 5 stars
· 33 ratings
NEW YORK TIMES BESTSELLERDiscover Thrawn’s origins within the Chiss Ascendancy in the first book in an epic new Star Wars trilogy from bestselling author Timothy Zahn.Beyond the edge of the galaxy lies the Unknown Regions: chaotic, uncharted, and near impassable, with hidden secrets and dangers in equal measure...

Categorized as:
aliens far-away-galaxy galactic-empire military space-fleet space-opera action-adventure adult
Odysseus Awakening by Evan Currie
Rated: 4.31 of 5 stars
· 26 ratings
Defy the inevitable. Such is the stance of Confederation captain Eric Weston and the crew of the starship Odysseus, patrolling the outer limits of Priminae space, anticipating the Empire’s next attacks. Connected with the Terran FTL tech—the transition drive—humanity might stand a chance against the overwhelming forces. Until the entire planetary system goes dark...

Categorized as:
aliens galactic-empire military soldiers space-fleet space-opera war action-adventure
Dead Man's Debt by Elliott Kay
Rated: 4.29 of 5 stars
· 28 ratings
“WE REQUIRE A DIFFERENT BATTLEFIELD.” Nobody expected the war to last three hours, let alone three years. The star system of Archangel holds the line against invading corporate fleets, but a quarter of its territory is already lost. The navy can’t hang on much longer. Faced with this grim truth, Archangel’s leaders shift their strategy to diplomacy and espionage...

Categorized as:
military soldiers space-fleet space-opera war action-adventure adult audiobook
True Colors by Karen Traviss
Rated: 4.27 of 5 stars
· 30 ratings
As the savage Clone Wars rage unchecked, the Republic’s deadliest warriors face the grim truth that the Separatists aren’t their only enemy–or even their worst.In the Grand Army’s desperate fight to crush the Separatists, the secret special ops missions of its elite clone warriors have never been more critical . . . or more dangerous...

Categorized as:
far-away-galaxy galactic-empire military space-opera war action-adventure adult book
War Eternal, Books 1-3 by M.R. Forbes
Rated: 4.38 of 5 stars
· 8 ratings
3 books. 1000+ pages. Over 100,000 unbundled copies sold. Book 1: Starship Eternal A lost starship... A dire warning from futures past... A desperate search for salvation… Captain Mitchell “Ares” Williams is a Space Marine and the hero of the Battle for Liberty, whose Shot Heard ‘Round the Universe saved the planet from a nearly unstoppable war machine...

Categorized as:
aliens galactic-empire military soldiers space-fleet space-opera action-adventure adult
Evasion (Scattered Stars: Evasion Book 1) by Glynn Stewart
Rated: 4.38 of 5 stars
· 8 ratings
A captain on the run from the horrors of his pastA girl on the run from the trap of her presentA ship that will bring them togetherCaptain Evridiki “EB” Bardacki was once a nova fighter pilot for a nation he truly believed in. Betrayal and failure sent him into exile and flight...

Categorized as:
galactic-empire military soldiers space-fleet space-opera action-adventure adult book
Lucky Revenge by Joshua James
Rated: 4.38 of 5 stars
· 8 ratings
The universe if FUBAR. Just when things couldn't get any worse, humanity finds a way. The invasion force is in shambles. The universe is on fire. An ancient enemy is about to end mankind for good. Sgt. Lucky Lee Savage saw it all coming. He warned all the right people. He took all the right steps. Look what that got him...

Categorized as:
aliens galactic-empire military soldiers space-fleet war action-adventure adult
Red Team Alpha by Jay Allan
Rated: 4.38 of 5 stars
· 8 ratings
A New Adventure Set in the Crimson Worlds Universe (Over 800,000 Crimson Worlds Book Sold) Red Team Alpha. An elite military unit. Twenty highly-trained veteran warriors, Mars’ best. They are ready to face whatever dangers threaten the Confederation. They are capable, dedicated, armed with the best technology Mars has to offer. And they don’t exist, at least not officially...

Categorized as:
aliens galactic-empire military soldiers space-fleet space-opera war action-adventure
Lucky Empire by Joshua James
Rated: 4.38 of 5 stars
· 8 ratings
Mankind's luck has run out... As humanity rushes toward universal slaughter, the last Marine standing in the way of extinction is the least qualified one around — just ask him. With the conspiracy now fully in power, Lucky & Co. have turned into fugitives within the Empire...

Categorized as:
aliens galactic-empire military soldiers space-fleet war action-adventure adult
Empires in Ruin by Anthony James
Rated: 4.38 of 5 stars
· 8 ratings
Protected by their energy shields, the Lavorix warships Aeklu and Verumol survived the largest explosion ever created by technology. Now salvaged by the Human Planetary Alliance and their new Daklan allies, these once unstoppable weapons of mass destruction sit in a construction yard undergoing extensive repairs...

Categorized as:
aliens galactic-empire military soldiers space-fleet space-opera action-adventure adult

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