Books like 'Ad Astra'
Readers who enjoyed Ad Astra by Jack Campbell also liked the following books featuring the same tropes, story themes, relationship dynamics and character types.
futuristic sc-fi space action / adventure military, war & conflict humor time-travel military
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Obsidio by Amie Kaufman, Jay Kristoff
Rated: 4.46 of 5 stars · 52 ratingsKady, Ezra, Hanna, and Nik narrowly escaped with their lives from the attacks on Heimdall station and now find themselves crammed with 2,000 refugees on the container ship, Mao... -
![Gemina by Amie Kaufman, Jay Kristoff]()
Gemina by Amie Kaufman, Jay Kristoff
Rated: 4.42 of 5 stars · 60 ratingsMoving to a space station at the edge of the galaxy was always going to be the death of Hanna’s social life. Nobody said it might actually get her killed.The sci-fi saga that began with the breakout bestseller Illuminae continues on board the Jump Station Heimdall, where two new characters will confront the next wave of the BeiTech assault... -
![Skyward by Brandon Sanderson]()
Skyward by Brandon Sanderson
Rated: 4.38 of 5 stars · 72 ratingsDefeated, crushed, and driven almost to extinction, the remnants of the human race are trapped on a planet that is constantly attacked by mysterious alien starfighters. Spensa, a teenage girl living among them, longs to be a pilot... -
![Age of Deception by T.A. White]()
Age of Deception by T.A. White
Rated: 4.55 of 5 stars · 30 ratingsWar hero and daughter to two Houses, Kira is just beginning to learn how deep the rabbit hole goes. Agreeing to accompany her father’s people back to their homeworld, Kira Forrest prepares for the fight of her life. She’s agreed to undertake the Trial of the Broken, a rite of passage every member of her father’s House must pass... -
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![Hero by Anna Hackett]()
Hero by Anna Hackett
Rated: 4.53 of 5 stars · 26 ratingsFighting for love, honor, and freedom on the galaxy’s lawless outer rim… Raised from birth to be a soldier, Kace Tameron is a disciplined, military-trained gladiator. He is on contract to the Kor Magna Arena to hone his fighting skills on the blood-soaked arena sand and then return to the military. He lives for one thing: to protect his planet, and on his world, love is forbidden... -
![The Scientist, the Rat, and the Assassin by Sara King]()
The Scientist, the Rat, and the Assassin by Sara King
Rated: 4.50 of 5 stars · 12 ratingsThis is what happens when, in the chaos of an alien apocalypse where the all-powerful galactic empire of Congress has laid the smackdown on Earth for breaking its universal laws on genetic experimentation, the world's smartest human (sort of) swears to obey the galaxy's greatest assassin (definitely) on Wednesdays through Mondays, if she will give him Tuesdays in turn... -
![Memory by Lois McMaster Bujold]()
Memory by Lois McMaster Bujold
Rated: 4.38 of 5 stars · 38 ratingsForced to abandon his undercover role as leader of the Dendarii Mercenaries, Miles Vorkosigan persuades Emperor Gregor to appoint him Imperial Auditor so he can penetrate Barrayar’s intelligence and security operations (ImpSec)... -
![The Legend of ZERO: The Scientist, the Rat, and the Assassin by Sara King]()
The Legend of ZERO: The Scientist, the Rat, and the Assassin by Sara King
Rated: 4.57 of 5 stars · 21 ratingsThis is what happens when, in the chaos of an alien apocalypse where the all-powerful galactic empire of Congress has laid the smackdown on Earth for breaking its universal laws on genetic experimentation, the world's smartest human (sort of) swears to obey the galaxy's greatest assassin (definitely) on Wednesdays through Mondays, if she will give him Tuesdays in turn... -
![Rules of Redemption by T.A. White]()
Rules of Redemption by T.A. White
Rated: 4.40 of 5 stars · 33 ratingsThe war everyone thought was over is just beginning. Kira Forrest is a survivor. She’s risen above the pain of her beginnings to become a war hero only to leave it all behind in the pursuit of a simple life. Now a salvager, she makes a living sifting through the wreckage of dead alien ships from a war that nearly brought humanity to its knees... -
![My Ride is a Bitch by Michael Anderle]()
My Ride is a Bitch by Michael Anderle
Rated: 4.46 of 5 stars · 26 ratingsIt's out there, it's ALWAYS been out there - just no one believed it.Governments, Black Ops, Rich Businessmen...All want alien tech and some are going to great lengths, illegal lengths, to procure it.Someone went so far as to endanger a young girls family. A young girl who wrote a letter to the Queen Bitch. Now, those that are searching for the technology will have to deal with TQB... -
![Miles, Mutants, and Microbes by Lois McMaster Bujold]()
Miles, Mutants, and Microbes by Lois McMaster Bujold
Rated: 4.44 of 5 stars · 26 ratingsContent: Falling free Labyrinth Diplomatic immunity Miles Vorkosigan/Naismith : his life and times.Two complete novels and a short novel in one large volume:Falling Free—The Nebula Award-winning novel. Leo Graf was just your typical efficient engineer: mind your own business and do the job... -
![Rogue Protocol by Martha Wells]()
Rogue Protocol by Martha Wells
Rated: 4.26 of 5 stars · 59 ratingsSciFi’s favorite crabby A.I. is again on a mission. The case against the too-big-to-fail GrayCris Corporation is floundering, and more importantly, authorities are beginning to ask more questions about where Dr. Mensah's SecUnit is.And Murderbot would rather those questions went away. For good... -
![Young Miles by Lois McMaster Bujold]()
Young Miles by Lois McMaster Bujold
Rated: 4.39 of 5 stars · 30 ratingsThe Warrior's Apprentice 1The Mountains of Mourning 373The Vor Game 465Author's Afterword 829IT ISN'T EASY, BEING VOR...Being a Vor lord on the war-torn planet Barrayar wasn't easy. Being an officer in Barrayar's military wasn't easy...Categorized as:
humor military 20th-century action-adventure anthologies audiobook coming-of-age female-author -
![Illuminae by Amie Kaufman, Jay Kristoff]()
Illuminae by Amie Kaufman, Jay Kristoff
Rated: 4.23 of 5 stars · 70 ratingsThis morning, Kady thought breaking up with Ezra was the hardest thing she’d have to do. This afternoon, her planet was invaded.The year is 2575, and two rival mega-corporations are at war over a planet that’s little more than a speck at the edge of the universe... -
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![Catalyst by S.J. Kincaid]()
Catalyst by S.J. Kincaid
Rated: 4.39 of 5 stars · 29 ratingsS. J. Kincaid has created a fascinating dystopian world for Insignia, her futuristic science-fiction adventure series perfect for fans of Ender's Game. Earth is in the middle of WWIII, battling to determine which governments and corporations will control the resources of the solar system.Teen Tom Raines grew up with nothing, some days without even a roof over his head... -
![Cordelia's Honor by Lois McMaster Bujold]()
Cordelia's Honor by Lois McMaster Bujold
Rated: 4.32 of 5 stars · 36 ratingsIn her first trial by fire, Cordelia Naismith captained a throwaway ship of the Betan Expeditionary Force on a mission to destroy an enemy armada...Categorized as:
humor military 20th-century action-adventure anthologies audiobook disability female-author -
![The Hydrogen Sonata by Iain M. Banks]()
The Hydrogen Sonata by Iain M. Banks
Rated: 4.21 of 5 stars · 28 ratingsThe Scavenger species are circling. It is, truly, provably, the End Days for the Gzilt civilization.An ancient people, organized on military principles and yet almost perversely peaceful, the Gzilt helped set up the Culture ten thousand years earlier and were very nearly one of its founding societies, deciding not to join only at the last moment... -
![Madame Guillotine by Jason Anspach, Nick Cole]()
Madame Guillotine by Jason Anspach, Nick Cole
Rated: 4.50 of 5 stars · 8 ratingsLeave no man behind. On Detron, a simmering protest boils over and turns deadly when militants hiding among the demonstrators deliberately shoot down a group of legionnaires, executing one survivor and taking two for ransom. The only Republic asset the captured leejes can rely on is a lone marine sniper who defies orders in a desperate attempt to save them... -
![Spinward Fringe Broadcast 11: Revenge by Randolph Lalonde]()
Spinward Fringe Broadcast 11: Revenge by Randolph Lalonde
Rated: 4.50 of 5 stars · 8 ratingsAlice's career moves on to the next phase in Haven Fleet, sending her into real action and real danger. All the while she wonders where her father, Jacob Valent and his ship, the Revenge, have gone. If only she knew her father is busy taking an opportunity to strike the Order of Eden behind the front lines, slowing their journey home while taking a big risk for a big reward along the way... -
![Captain's Share by Nathan Lowell]()
Captain's Share by Nathan Lowell
Rated: 4.34 of 5 stars · 30 ratingsA shuffling of cabins puts Ishmael Horatio Wang in command of the worst ship in the fleet. He learns that being Captain doesn't make you infallible and that life in the Captain's Cabin is filled with new kinds of challenge as he tries to keep the ship moving, the crew out of trouble, and turn a profit to earn his Captain's Share...Categorized as:
military action-adventure audiobook book drama fiction futuristic golden-age-mystery -
![Aurora's End by Amie Kaufman, Jay Kristoff]()
Aurora's End by Amie Kaufman, Jay Kristoff
Rated: 4.31 of 5 stars · 33 ratingsThe squad you love is out of time. Prepare for the thrilling finale in the epic, best-selling Aurora Cycle series about a band of unlikely heroes who just might be the galaxy's last hope for survival.Is this the end? What happens when you ask a bunch of losers, discipline cases, and misfits to save the galaxy from an ancient evil? The ancient evil wins, of course. Wait. . . . Not. So. Fast... -
![Miles, Mystery, and Mayhem by Lois McMaster Bujold]()
Miles, Mystery, and Mayhem by Lois McMaster Bujold
Rated: 4.36 of 5 stars · 26 ratingsContains: Cetaganda Ethan of Athos Labyrinth.Diplomat, soldier, spy - Lieutenant Lord Miles Naismith Vorkosigan of the Barrayarayan Empire, a.k.a. Admiral Naismith of the Dendarii Free Mercenaries, is a young man of many parts... -
![Affiliations, Aliens, and Other Profitable Pursuits by Lyn Gala]()
Affiliations, Aliens, and Other Profitable Pursuits by Lyn Gala
Rated: 4.33 of 5 stars · 12 ratingsA desire for status has brought Ondry and Liam to a human world to trade, but dealing with humans has brought up all the old pain in Liam’s heart. Even though Ondry would do anything to protect his beloved palteia, he doesn’t know how to protect Liam from himself... -
![Duty Calls: The adventure continues by James Haddock]()
Duty Calls: The adventure continues by James Haddock
Rated: 4.33 of 5 stars · 12 ratingsDuty Calls continues the story of Nic, Mal, Jazz and Jade as they fight to hold what belongs to them. The Corporations are becoming more aggressive in their effort to steal their inventions. Our four friends are matching the corporate's aggression blow for blow. The fight has already turned deadly, and the Corporation has shown they aren't afraid to spill blood... -
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![Diplomatic Immunity by Lois McMaster Bujold]()
Diplomatic Immunity by Lois McMaster Bujold
Rated: 4.20 of 5 stars · 25 ratingsA rich Komarran merchant fleet has been impounded at Graf Station, in distant Quaddiespace, after a bloody incident on the station docks involving a security officer from the convoy's Barrayaran military escort. Lord Miles Vorkosigan of Barrayar and his wife, Lady Ekaterin, have other things on their minds, such as getting home in time to attend the long-awaited births of their first children... -
![Cassandra's Challenge by M.K. Eidem]()
Cassandra's Challenge by M.K. Eidem
Rated: 4.25 of 5 stars · 16 ratingsAlternative cover edition ASIN B00CKXWOM2Cassandra Chamberlain has always stood out. It's hard not to at 6’1” and 165 pounds with jet black hair and sapphire blue eyes. And if that wasn’t enough she is also brilliant, graduating from Harvard at fifteen, teaching at MIT at nineteen and up for the prestigious Magellan Award at twenty five. But she’s never really fit in... -
![Barrayar by Lois McMaster Bujold]()
Barrayar by Lois McMaster Bujold
Rated: 4.24 of 5 stars · 39 ratingsCordelia and Arol Vorkosigan's plans for a peaceful married life (after all the bloodshed and trials recounted in SHARDS OF HONOR) are soon shattered by the polital tumult on Barrayar. Resisting enormous pressure, they struggle to keep their family alive while while protecting the child Emperor from enemies who would murder him and assume absolute power over all of Barrayar... -
![The Vor Game by Lois McMaster Bujold]()
The Vor Game by Lois McMaster Bujold
Rated: 4.23 of 5 stars · 41 ratingsHugo Award Winner! Miles Vorkosigan graduates from the Academy, joins a mutiny, is placed under house arrest, goes on a secret mission, reconnects with his loyal Dendarii Mercenaries, rescues his Emperor, and thwarts an interstellar war. Situation normal, if you're Miles... -
![Zero's Return by Sara King]()
Zero's Return by Sara King
Rated: 4.31 of 5 stars · 27 ratingsTHE AMAZING NEW VOLUME IN THE #1 BESTSELLING LEGEND OF ZERO SERIES!In this apocalyptic addition to the #1 Bestselling Legend of ZERO series, the PlanOps Prime veteran, universal hero, and living legend Joe Dobbs has become an icon of heroism to the Congressional citizenry—but his real adventure is only just beginning... -
![Double Share by Nathan Lowell]()
Double Share by Nathan Lowell
Rated: 4.29 of 5 stars · 30 ratingsAN INEXPERIENCED OFFICER. A DYSFUNCTIONAL SHIP. LIFE IN THE DEEP DARK JUST GOT A LOT HARDER.In his first assignment as an officer, Ishmael Horatio Wang finds himself fresh out of school, wet behind the ears, and way out of his depth. Aboard the William Tinker the senior officers are derelict and abusive, the crew demoralized and undisciplined, and change unwelcomed and dangerous... -
![B Free by Cynthia Sax]()
B Free by Cynthia Sax
Rated: 4.50 of 5 stars · 6 ratingsB is the last remaining B Model cyborg. All of his brethren, the beings he trained with, fought with, cared deeply for, have perished.Or so he believes.When he intercepts a communication mentioning the existence of one of his kind, he has to investigate the source. The message could be a trap set by his enemies... -
![Aurora Burning by Amie Kaufman, Jay Kristoff]()
Aurora Burning by Amie Kaufman, Jay Kristoff
Rated: 4.22 of 5 stars · 42 ratingsOur heroes are back… kind of. From the bestselling co-authors of the Illuminae Files comes the second book in the epic series about a squad of misfits, losers, and discipline cases who just might be the galaxy’s best hope for survival.First, the bad news: an ancient evil—you know, your standard consume-all-life-in-the-galaxy deal—is about to be unleashed... -
![Vortex by S.J. Kincaid]()
Vortex by S.J. Kincaid
Rated: 4.28 of 5 stars · 29 ratingsThe impossible was just the beginning. Now in their second year as superhuman government weapons-in-training at the Pentagonal Spire, Tom Raines and his friends are mid-level cadets in the elite combat corps known as the Intrasolar Forces. But as training intensifies and a moment arrives that could make or break his entire career, Tom’s loyalties are again put to the test...Categorized as:
humor military action-adventure audiobook boarding-school book coming-of-age cyberpunk -
![Lyel by Ava Ross]()
Lyel by Ava Ross
Rated: 4.38 of 5 stars · 8 ratingsAn alien warrior seeking redemption meets a captured Earth woman being treated as a pet. Will their love survive in a hostile world?Kidnapped by four-armed, blue skinned aliens, Isabelle "Isi" is sold to the head of the Al'kieern kidnapping operation. Isi has accepted she'll live and die as a songbird pet to the queen. If nothing else, performing for the Al'kieern beats being sold as a breeder... -
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![Evasion (Scattered Stars: Evasion Book 1) by Glynn Stewart]()
Evasion (Scattered Stars: Evasion Book 1) by Glynn Stewart
Rated: 4.38 of 5 stars · 8 ratingsA 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... -
![Rogue World by B.V. Larson]()
Rogue World by B.V. Larson
Rated: 4.29 of 5 stars · 27 ratingsThe Galactics arrived with their Battle Fleet in 2052. Rather than being exterminated under a barrage of hell-burners, Earth joined a vast Empire that spanned the Milky Way. Today, Battle Fleet 921 is returning to Earth. It hasn’t been seen by human eyes since our blissful day of Annexation... -
![March Upcountry by David Weber, John Ringo]()
March Upcountry by David Weber, John Ringo
Rated: 4.17 of 5 stars · 24 ratingsPrince Roger MacClintock is a spoiled young princeling hardly worth the space he takes up. Now he must become a man, or the entire galaxy will suffer arrested adolescence... -
![Formation (Forgotten Space Book 2) by M.R. Forbes]()
Formation (Forgotten Space Book 2) by M.R. Forbes
Rated: 4.30 of 5 stars · 10 ratingsAfter narrowly escaping destruction, Nicholas and his crew find themselves flung far across the universe with no way home. When a distress call from a nearby planet catches their attention, they decide to investigate with the hope the signal is somehow connected to their arrival.It isn’t long before the truth of Foresight’s mission comes into clearer focus, and Nicholas doesn’t like what he sees... -
![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... -
![Komarr by Lois McMaster Bujold]()
Komarr by Lois McMaster Bujold
Rated: 4.22 of 5 stars · 37 ratingsKomarr could be a garden with a thousand more years' work, or an uninhabitable wasteland if the terraforming fails. Now, the solar mirror vital to the terraforming of the conquered planet has been shattered by a ship hurtling off course. The Emperor of Barrayar sends his newest imperial auditor, Lord Miles Vorkosigan, to find out why... -
![Point of Origin by M.R. Forbes]()
Point of Origin by M.R. Forbes
Rated: 4.25 of 5 stars · 12 ratingsA starship lost. A creator found. A frantic race to save them both. For Colonel Mitchell “Ares” Williams, there is no giving up. There is no going back. The Goliath may have fallen into enemy hands, but the war must go on. After all, he and the Riggers have what they need to locate the Creator, the man responsible for the alien threat and the key to unraveling their unstoppable attack... -
![Escaping Fate by Regine Abel]()
Escaping Fate by Regine Abel
Rated: 4.25 of 5 stars · 12 ratingsEnslaved. Exploited. Hunted.Born and raised on a slavers ship, Amalia is one of the rare survivors of the Veredian race. Like all Veredian females, Amalia possesses a unique psi ability which makes her the prized pet of her master Gruuk. She escapes to Xelix Prime, a warrior planet where slavery is prohibited... -
![Ghosts of Empire by Terry Mixon]()
Ghosts of Empire by Terry Mixon
Rated: 4.25 of 5 stars · 12 ratingsWhen on deadly ground, fight! Jared and Kelsey won the battle for Harrison’s World, but the enemy holds thousands of Fleet personnel prisoner. They must get their people back without revealing who they really are or the sentient AIs will eradicate the new Terran Empire... -
![Command Decisions by Terry Mixon]()
Command Decisions by Terry Mixon
Rated: 4.25 of 5 stars · 12 ratingsBetween a rock and a hard place! After winning a hard-fought victory, Commander Jared Mertz and Princess Kelsey discover another insidious foe blocking their way home. A remnant of the Old Empire still exists and seems allied with the savage, AI-dominated Pale Ones... -
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![Veil of Shadows by Terry Mixon]()
Veil of Shadows by Terry Mixon
Rated: 4.25 of 5 stars · 12 ratingsVeil of Shadows Book 2 of the Empire of Bones Saga By Terry Mixon It's always darkest before the dawn! Commander Jared Mertz and Princess Kelsey have scored a stunning victory over the savage Pale Ones. Yet they paid a terrible price for it, one that left their ship crippled and changed the Princess forever... -
![Artifact by Joshua James]()
Artifact by Joshua James
Rated: 4.25 of 5 stars · 12 ratingsFOR MILLIONS OF YEARS, SATURN HID AN ALIEN SECRET.IN 2065, HUMANITY WILL FIND IT.Lowell Carpenter is a disgraced Marine assigned to a remote US research station on Saturn's moon Enceladus, where scientists have made an extraordinary discovery in the ocean below.A special forces team, led by Lowell’s murderous former commanding officer, shows up to investigate... -
![The Warrior's Apprentice by Lois McMaster Bujold]()
The Warrior's Apprentice by Lois McMaster Bujold
Rated: 4.19 of 5 stars · 43 ratingsBetween the seemingly impossible tasks of living up to his warrior-father's legend and surmounting his own physical limitations, Miles Vorkosigan faces some truly daunting challenges. Shortly after his arrival on Beta Colony, Miles unexpectedly finds himself the owner of an obsolete freighter and in more debt than he ever thought possible... -
![Assimilation, Love, and Other Human Oddities by Lyn Gala]()
Assimilation, Love, and Other Human Oddities by Lyn Gala
Rated: 4.21 of 5 stars · 14 ratingsOndry and Liam have settled into a good life, but their trading is still tied up with humans, and humans are always messy. When political changes at the human base lead Ondry to attempt a difficult trade, the pair find themselves entangled in human affairs. Liam wants to help the people he left and the worlds being torn apart... -
![Cauldron of Ghosts by David Weber, Eric Flint]()
Cauldron of Ghosts by David Weber, Eric Flint
Rated: 4.19 of 5 stars · 16 ratingsSequel to national bestsellers Crown of Slaves and Torch of Freedom, Cauldron of Ghosts is the return of Secret agent Anton Zilwicki and Victor Cachat in the Wages of Sin, the classic tie-in series set in David Weber's Honorverse... -
![Chasing the Dragon by Jason Anspach, Nick Cole]()
Chasing the Dragon by Jason Anspach, Nick Cole
Rated: 4.51 of 5 stars · 12 ratingsThey all want the Dragon dead. The Dragon was trained from his youth to operate as a lethal killing machine. He has tangled with crime lords, dangerous insurgents, even Nether Ops… and none of these forces has been able to bring the elusive warrior to heel. Enter the notorious bounty hunter Tyrus Rechs. Rechs takes on the job as a favor to an old Savage Wars buddy...
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