Books like 'Untethered'
Readers who enjoyed Untethered by Jax Spenser also liked the following books featuring the same tropes, story themes, relationship dynamics and character types.
sc-fi mystery space military, war & conflict family first-contact aliens invasion
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Leviathan Falls by James S.A. Corey
Rated: 4.55 of 5 stars · 48 ratingsThe Laconian Empire has fallen, setting the thirteen hundred solar systems free from the rule of Winston Duarte. But the ancient enemy that killed the gate builders is awake, and the war against our universe has begun again... -
![Adverse Possession by Craig Martelle, Michael Anderle]()
Adverse Possession by Craig Martelle, Michael Anderle
Rated: 4.75 of 5 stars · 8 ratingsA planet in dispute. Farmers vs miners, and no one knows the full story.The Federation sends Rivka and her team to resolve a case of settlers squatting on a remote planet when the owners finally came calling.Not what it seems. Three generations of settlers and more. A planet that isn’t as welcoming as it appears. Crops coming ripe. Miners ready to dig. Tempers flare as the sides face off... -
![The Pandora Paradox by Joshua Dalzelle]()
The Pandora Paradox by Joshua Dalzelle
Rated: 4.58 of 5 stars · 21 ratingsIt started with a revolution nobody had even realized occurred…Its cruelty sparked a rebellion that everyone refused to admit existed…Now, the Machine—a terrifying and relentless enemy—reigns supreme in the galaxy, and the real fight is just beginning... -
![Deception by Craig Martelle, Michael Anderle]()
Deception by Craig Martelle, Michael Anderle
Rated: 4.63 of 5 stars · 8 ratingsLies & deceit leading to a domino of crimes.The Trans-Pacific Task Force is getting ready to deploy but they don’t have what they need. Someone’s been skimming. A contract won through mistruths. Incomplete payments limiting the army’s readiness.Colonel Marcie Walton is angry and calling anyone who will answer.Magistrate Rivka Anoa is on the job and thrown into the middle of two shooting wars... -
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![Infinity Engine by Neal Asher]()
Infinity Engine by Neal Asher
Rated: 4.38 of 5 stars · 16 ratingsIn the outskirts of space, and the far corners of the Polity, complex dealings are in play. Several forces continue to pursue the deadly and enigmatic Penny Royal, none more dangerous than the Brockle, a psychopathic forensics AI and criminal who has escaped the Polity’s confinements and is upgrading itself in anticipation of a deadly showdown, becoming ever more powerful and intelligent... -
![Eisenhorn: The Omnibus by Dan Abnett]()
Eisenhorn: The Omnibus by Dan Abnett
Rated: 4.56 of 5 stars · 9 ratingsA Warhammer 40,000 OmnibusInquisitor Gregor Eisenhorn is one of Warhammer 40,000's most beloved anti-heroes. Operating on the very edge of Imperial doctrine, he investigates conspiracies that pit him against aliens, heretics, daemons, and even fellow Inquisitors.READ IT BECAUSEThis is every single one of Dan Abnett's Eisenhorn stories collected together for the first time in one mammoth tome... -
![Heaven's River by Dennis E. Taylor]()
Heaven's River by Dennis E. Taylor
Rated: 4.30 of 5 stars · 37 ratingsCivil war looms in the Bobiverse in this brand-new, epic-length adventure by best seller Dennis E. Taylor.More than a hundred years ago, Bender set out for the stars and was never heard from again. There has been no trace of him despite numerous searches by his clone-mates. Now Bob is determined to organize an expedition to learn Bender’s fate—whatever the cost... -
![Destiny's Cradle by Paul Crawford]()
Destiny's Cradle by Paul Crawford
Rated: 4.50 of 5 stars · 8 ratingsTeenagers Ben Canterbury and Tessa Nyera are harvesting cotton on a warm afternoon when a hole opens up in a nearby meadow—like the doorway to another dimension. The hole disgorges a naked man, barely conscious and clutching a human leg bone, and then vanishes... -
![Winged Hussars by Mark Wandrey]()
Winged Hussars by Mark Wandrey
Rated: 4.40 of 5 stars · 10 ratingsFor more than a century, Winged Hussars has been the richest of Earth's mercenary companies, as well as the only one to specialize in space warfare. Led by Alexis Cromwell, they have carved out a reputation in the galaxy for being dependable, unflappable, and lethally efficient. Until people began shooting at them everywhere they went... -
![Deep Black by Miles Cameron]()
Deep Black by Miles Cameron
Rated: 4.40 of 5 stars · 10 ratingsMarca Nbaro had always dreamed of serving aboard the Greatships, with their vast cargo holds and a crew that could fill a city.They are the lifeblood of human-occupied space, transporting an unimaginable volume - and value - of goods from City, the greatest human orbital, all the way to Tradepoint at the other, to trade for xenoglas with an unknowable alien species... -
![The War Ship: Rise of the Jain, Book Two by Neal Asher]()
The War Ship: Rise of the Jain, Book Two by Neal Asher
Rated: 4.29 of 5 stars · 14 ratingsTheir nemesis lies in wait . . . Orlandine has destroyed the alien Jain super-soldier by deploying an actual black hole. And now that same weapon hoovers up clouds of lethal Jain technology, swarming within the deadly accretion disc’s event horizon. All seems just as she planned. Yet behind her back, forces incite rebellion on her home world, planning her assassination... -
![Salvation Lost by Peter F. Hamilton]()
Salvation Lost by Peter F. Hamilton
Rated: 4.30 of 5 stars · 30 ratingsThe comparative utopia of twenty-third century Earth is about to go dreadfully awry when a seemingly benign alien race is abruptly revealed to be one of the worst threats humanity has ever faced. Driven by an intense religious extremism, the Olyix are determined to bring everyone to their version of god as they see it... -
![Earth Below, Sky Above by John Scalzi]()
Earth Below, Sky Above by John Scalzi
Rated: 4.25 of 5 stars · 16 ratingsAt last, the Earth and the Colonial Union have begun formal discussions about their relationship in the futurea chance for the divisions in humanity to be repaired. The diplomats and crew of the Clarke are on hand to help with the process, including Ambassador Ode Abumwe and CDF Lieutenant Harry Wilson, both of whom were born on Earth. But not everyone wants The Human Division to be repaired.. -
![Orbus: The Final Book in the Spatterjay Trilogy by Neal Asher]()
Orbus: The Final Book in the Spatterjay Trilogy by Neal Asher
Rated: 4.25 of 5 stars · 16 ratingsYet another storming performance from the prolific Asher of high-octane violence, exotic tech, and terrifying and truly alien aliens.”—Daily MailIn book third installment of the Spatterjay series, the Old Captain Orbus, now in charge of a cargo spaceship, flees from a violent and sadistic past. Little does he know, however, that Sniper, a lethal war drone, is a stowaway on his ship... -
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![Doctor Who: Shada by Gareth Roberts]()
Doctor Who: Shada by Gareth Roberts
Rated: 4.22 of 5 stars · 18 ratingsFrom the unique mind of Douglas Adams, the legendary "lost" Doctor Who story has been completed at last by Gareth Roberts and narrated by Lalla Ward.The Doctor’s old friend and fellow Time Lord Professor Chronotis has retired to Cambridge University—where nobody will notice if he lives for centuries. But now he needs help from the Doctor, Romana and K-9...Categorized as:
aliens first-contact invasion 20th-century 21st-century action-adventure audiobook book -
![Line War by Neal Asher]()
Line War by Neal Asher
Rated: 4.22 of 5 stars · 18 ratingsAsher is brilliant at conveying the vastness of space, the strangeness of alien life, and the sweep of planetary horizons.”—SFX MagazineFrom the mind of Neal Asher and his Polity universe comes Line War, which has Agent Cormac once again on the trail, investigating an attack of his AI masters... -
![The Altreian Enigma by Richard Phillips]()
The Altreian Enigma by Richard Phillips
Rated: 4.35 of 5 stars · 23 ratingsWhen Mark and Heather Smythe saved Earth from the conquest-hungry Kasari Collective, they thought their work was done. But the world’s vast new government continued its quest to make extraterrestrial contact... -
![Salvage System by Kevin Steverson]()
Salvage System by Kevin Steverson
Rated: 4.38 of 5 stars · 8 ratingsThey couldn’t afford a ship or a fleet…and now they have a whole system to defend! Harmon Tomeral, along with friends Clip, Zerith, and the artificial intelligence Jayneen, were heroes. They’d brought back the battlecruiser Salvage Title from an unknown system and had defeated the alien Squilla and saved their home system of Tretrayon, not once, but twice... -
![The Forgotten: The Complete Trilogy by M.R. Forbes]()
The Forgotten: The Complete Trilogy by M.R. Forbes
Rated: 4.30 of 5 stars · 10 ratingsSome things are better off forgotten.Sheriff Hayden Duke was born on the Pilgrim, and he expects to die on the Pilgrim, like his father, and his father before him.That's the way things are on a generation starship centuries from home. He's never questioned it. Never thought about it... -
![A Pocket Full of Lies by Kirsten Beyer, Martin Frei]()
A Pocket Full of Lies by Kirsten Beyer, Martin Frei
Rated: 4.30 of 5 stars · 10 ratingsThe Full Circle Fleet has resumed its unprecedented explorations of the Delta Quadrant and former Borg space. Commander Liam O'Donnell of the U.S.S. Demeter makes a promising first contact with the Nihydron—humanoid aliens that are collectors of history... -
![Cascade by Joshua James]()
Cascade by Joshua James
Rated: 4.30 of 5 stars · 10 ratingsOPERATION CASCADE IS UNDERWAY.The changes on Enceladus are causing ripples throughout the solar system — and beyond. But the Artifact isn't done yet.The end is only the beginning...Cascade, the second book in the Saturn's Legacy series, is a sci-fi thriller full of mystery, intrigue, and epic action from the depths of the ocean to the edge of outer space... -
![Transient Echoes by J.N. Chaney]()
Transient Echoes by J.N. Chaney
Rated: 4.25 of 5 stars · 12 ratingsIt has been three years since the day of the Second Jolt. Thanks to the efforts of a select few, the world is finally moving on... -
![Méridien by S.H. Jucha]()
Méridien by S.H. Jucha
Rated: 4.21 of 5 stars · 14 ratingsThe Méridiens are fleeing to their far colonies—and they have reason to run. Over the course of decades, they have lost hundreds of ships, billions of people, and seven Confederation colonies to an alien enemy: an advancing swarm of silver ships transported in the bowels of a gigantic, spherical vessel... -
![Discovery by Ken Lozito]()
Discovery by Ken Lozito
Rated: 4.21 of 5 stars · 14 ratingsExploring New Earth should be a thrilling undertaking. Instead, the more the colonists learn about the planet, the more alarmed they become. Alien ruins hint at a species who fought great wars among themselves and disappeared centuries ago.When Connor Gates discovers a hidden bunker, he finds something he never expected... -
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![The Fractured Dark by Megan E. O'Keefe]()
The Fractured Dark by Megan E. O'Keefe
Rated: 4.21 of 5 stars · 14 ratingsDying planets, dangerous conspiracies, and secret romance abound in the second installment of the Devoured Worlds trilogy by award-winning author Megan E. O'Keefe. Naira and Tarquin have escaped vicious counter-revolutionaries, misprinted monsters, and the pull of a dying planet... -
![Chasing the Shadows by Maria V. Snyder]()
Chasing the Shadows by Maria V. Snyder
Rated: 4.29 of 5 stars · 24 ratingsYear 2522. Lyra Daniels is dead.Okay, so I only died for sixty-six seconds. But when I came back to life, I got a brand new name and a snazzy new uniform. Go me! Seriously, though, it's very important that Lyra Daniels stays dead, at least as far as my ex-friend Jarren, the murdering looter, knows.While dying is the scariest thing that's happened to me, it morphed my worming skills... -
![Unidentified: A Science-Fiction Thriller by Douglas E. Richards, Dan Bittner]()
Unidentified: A Science-Fiction Thriller by Douglas E. Richards, Dan Bittner
Rated: 4.19 of 5 stars · 16 ratingsUFOs are real. When Jason Ridley discovers their shocking agenda, his actions will either transform humanity...or destroy it entirely. Unidentified details the actual evidence that UFOs are here, while offering a mind-blowing fictional take on the reasons why. A riveting pause-resister packed with nonstop action, epic ideas, and astonishing twists... -
![War Factory by Neal Asher]()
War Factory by Neal Asher
Rated: 4.19 of 5 stars · 16 ratingsThorvald Spear, resurrected from his death over a hundred years earlier, continues to hunt Penny Royal, the rogue AI and dangerous war criminal on the run from Polity forces. Beyond the Graveyard, a lawless and deadly area in deep space, Spear follows the trail of several enemy Prador, the crab-like alien species with a violent history of conflict with humanity... -
![Rendezvous with Rama by Arthur C. Clarke]()
Rendezvous with Rama by Arthur C. Clarke
Rated: 4.08 of 5 stars · 42 ratingsAn all-time science fiction classic, Rendezvous with Rama is also one of Clarke's best novels--it won the Campbell, Hugo, Jupiter, and Nebula Awards. A huge, mysterious, cylindrical object appears in space, swooping in toward the sun. The citizens of the solar system send a ship to investigate before the enigmatic craft, called Rama, disappears... -
![Oracle by Douglas E. Richards]()
Oracle by Douglas E. Richards
Rated: 4.22 of 5 stars · 27 ratingsA breathtaking near-future thriller. From the NY Times bestselling author whose books have been downloaded over a million times. An interstellar war is racing toward an unsuspecting Earth. Can one young woman stop it before it's too late? LA detective Anna Abbott can see brief, cryptic visions of the future. She just doesn't know it yet. But others do... -
![Salvage Fleet by Kevin Steverson]()
Salvage Fleet by Kevin Steverson
Rated: 4.41 of 5 stars · 13 ratingsThey couldn’t afford a ship, much less the cost of registering one…and now they need an entire fleet! Harmon Tomeral, along with friends Clip, Zerith, and the artificial intelligence Jayneen, were heroes... -
![No Good Deed by M.R. Forbes]()
No Good Deed by M.R. Forbes
Rated: 4.52 of 5 stars · 10 ratingsA Sheriff Duke StoryOnce. Just once. Sheriff Hayden Duke would love to get involved in a mess that didn’t blow up into an all-out disaster. Not this time. His hunt for clues has led him to more questions and a whole heap of new trouble: He lost his horse, his newest ally is a wanted man, and the enemy he’s chasing isn’t the enemy he expected. They’re worse. Much, much worse... -
![Orion Uncharted by J.N. Chaney, Jonathan Yanez]()
Orion Uncharted by J.N. Chaney, Jonathan Yanez
Rated: 4.25 of 5 stars · 8 ratingsThe Orion has fallen.After barely escaping with their lives, the crew of the Orion has scattered across an unknown world. With a diminishing hope of returning home, they have no choice but to band together.But between the local wildlife, lack of supplies, a missing crew, and a strange, ominous door that can't be opened, Dean and his new friends will need everything at their disposal to survive... -
![Mere Mortals by David Mack]()
Mere Mortals by David Mack
Rated: 4.21 of 5 stars · 27 ratingsOn Earth, Federation President Nanietta Bacco gathers allies and adversaries to form a desperate last line of defense against an impending Borg invasion. In deep space, Captain Jean-Luc Picard and Captain Ezri Dax join together to cut off the Collective's route to the Alpha Quadrant... -
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![Final Days: Escape by Nathan Hystad, Jasper T. Scott]()
Final Days: Escape by Nathan Hystad, Jasper T. Scott
Rated: 4.20 of 5 stars · 10 ratingsAndrew and Kendra have learned what's on the other side of the ridge, but it leaves them with more questions than answers. Their colony has turned into a dictatorship under the thumb of its delusional self-appointed leader, the Reverend, making their lives a living nightmare... -
![Exo-Hunter by Jeremy Robinson]()
Exo-Hunter by Jeremy Robinson
Rated: 4.20 of 5 stars · 10 ratingsNew York Times bestselling author, Jeremy Robinson, takes readers on a pulse-pounding journey to a dark and twisted future... and makes them laugh.THE YEAR IS 1989Callsign: Dark Horse and his Marine Rapid Reaction Force team have been sent to recover a strange artifact near Antarctica's Soviet-controlled Vostok Station... -
![Enigma Tales by Una McCormack]()
Enigma Tales by Una McCormack
Rated: 4.20 of 5 stars · 10 ratingsFrom the New York Times bestselling author of The Fall: The Crimson Shadow comes a compelling and suspenseful tale of politics and power set in the universe of Star Trek: Deep Space Nine.Elim Garak has ascended to Castellan of the Cardassian Union.. -
![The Observers by John Scalzi]()
The Observers by John Scalzi
Rated: 4.14 of 5 stars · 14 ratingsIn an effort to improve relations with the Earth, the Colonial Union has invited a contingent of diplomats from that planet to observe Ambassador Abumwe negotiate a trade deal with an alien species. Then something very bad happens to one of the Earthings, and with that, the relationship between humanitys two factions is on the cusp of disruption once more... -
![The Gentle Art of Cracking Heads by John Scalzi]()
The Gentle Art of Cracking Heads by John Scalzi
Rated: 4.14 of 5 stars · 14 ratingsUnited States Diplomat Danielle Lowen was there when one of her fellow diplomats committed an unthinkable act, which had consequences for the entire planet. Now shes trying to figure out how it happened before it can happen again. Putting the puzzle pieces together could solve the mystery or it could threaten her own life... -
![TFS Ingenuity by Tori L. Harris]()
TFS Ingenuity by Tori L. Harris
Rated: 4.14 of 5 stars · 14 ratingsThis is an alternate Cover Edition for ISBN13: 9780996179621.It’s the year 2277. For fifty years, Earth has received mysterious data transmissions from random locations in deep space. The streams include advanced technology, allowing Humans to achieve faster-than-light travel virtually overnight... -
![Children of Memory by Adrian Tchaikovsky]()
Children of Memory by Adrian Tchaikovsky
Rated: 4.14 of 5 stars · 14 ratingsThe modern classic of space opera that began with Children of Time continues in this extraordinary novel of humanity's battle for survival on a terraformed planet. Earth failed. In a desperate bid to escape, the spaceship Enkidu and its captain, Heorest Holt, carried its precious human cargo to a potential new paradise... -
![Legacy by Ken Lozito]()
Legacy by Ken Lozito
Rated: 4.13 of 5 stars · 16 ratingsHold the line. After narrowly defeating the invading enemy fleet, there is evidence that the attack isn’t over. Thousands have died and all that stands between human extinction and the invaders are the remnants of the colonial military. Connor must find a way to rally the colony using every scrap of ingenuity to stop the invaders... -
![The Dog King by John Scalzi]()
The Dog King by John Scalzi
Rated: 4.13 of 5 stars · 16 ratingsCDF Lieutenant Harry Wilson has one simple task: Watch an ambassador’s dog while the diplomat is conducting sensitive negotiations with an alien race. But you know dogs - always getting into something. And when this dog gets into something that could launch an alien civil war, Wilson has to find a way to solve the conflict, fast, or be the one in the Colonial Union’s doghouse... -
![The Sound of Rebellion by John Scalzi]()
The Sound of Rebellion by John Scalzi
Rated: 4.13 of 5 stars · 16 ratingsThe Colonial Defense Forces usually protect humanity from alien attack, but now the stability of the Colonial Union has been threatened, and Lieutenant Heather Lee and her squad are called to squash a rebellion on a colony world. It seems simple enoughbut theres a second act to the rebellion that finds Lee captive, alone, and armed with only her brains to survive... -
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![The Soldier by Neal Asher]()
The Soldier by Neal Asher
Rated: 4.13 of 5 stars · 16 ratingsIn a far corner of space, on the very borders between humanity’s Polity worlds and the kingdom of the vicious crab-like prador, is an immediate threat to all sentient life: an accretion disc, a solar system designed by the long-dead Jain race and swarming with living technology powerful enough to destroy entire civilizations... -
![This Alien Shore by C.S. Friedman]()
This Alien Shore by C.S. Friedman
Rated: 4.12 of 5 stars · 17 ratingsSheltered all her life in a corporate satellite in Earth's outer orbit, Jamisia must face the truth about her origins and her role in the power struggle between the Guerans who dominate intergalactic transportation and the rest of Earth's far-flung and genetically mutated colonies who are trying to break the Guera Guild's monopoly... -
![The B-Team by John Scalzi]()
The B-Team by John Scalzi
Rated: 4.11 of 5 stars · 19 ratingsThe opening episode of The Human Division, John Scalzi's new thirteen-episode novel in the world of his bestselling Old Man's War.Colonial Union Ambassador Ode Abumwe and her team are used to life on the lower end of the diplomatic ladder. But when a high-profile diplomat goes missing, Abumwe and her team are last minute replacements on a mission critical to the Colonial Unions future... -
![Confluence by S.K. Dunstall]()
Confluence by S.K. Dunstall
Rated: 4.24 of 5 stars · 20 ratingsFrom the national bestselling author of Alliance, linesman Ean Lambert finds himself caught in a dangerous fight for political power... The lines. Mysterious yet familiar: the key to controlling every ship in the galaxy... -
![Into the Black by Evan Currie]()
Into the Black by Evan Currie
Rated: 4.08 of 5 stars · 25 ratingsThis edition of Odyssey One has been completely edited and remastered to correct the typos and content issues that reviewers commented on in the original edition. Beyond the confines of our small world, far from the glow of our star, lies a galaxy and universe much larger and more varied than anyone on Earth can possibly imagine... -
![Genesis by Ken Lozito]()
Genesis by Ken Lozito
Rated: 4.15 of 5 stars · 30 ratingsA mission gone wrong. Innocent lives have been lost. Escaping wrongful imprisonment wasn’t something Connor had in mind, but being put into stasis aboard Earth’s first interstellar colony ship was something he couldn’t have prepared for. For three hundred thousand colonists, the new colony brings the promise of a fresh start…a second chance...
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