Books like 'Space Brothers, Vol. 4'

Readers who enjoyed Space Brothers, Vol. 4 by Chuya Koyama also liked the following books featuring the same tropes, story themes, relationship dynamics and character types.

futuristic  sc-fi  space  humor  near-future  realistic

  • The Martian by Andy Weir

    The Martian by Andy Weir

    Rated: 4.37 of 5 stars
    · 95 ratings
    Six days ago, astronaut Mark Watney became one of the first people to walk on Mars. Now, he’s sure he’ll be the first person to die there...
  • Layers of Force by Lindsay Buroker

    Layers of Force by Lindsay Buroker

    Rated: 4.72 of 5 stars
    · 26 ratings
    The exciting conclusion to the Star Kingdom series!Even though Professor Casmir Dabrowski has been fighting for months to help the kingdom and humanity as a whole, few people in positions of power have appreciated his unorthodox methods. Now he's a captive of the king and being taken back to his home world without his friends or the crushers he relies upon to protect him...
  • Home Front by Lindsay Buroker

    Home Front by Lindsay Buroker

    Rated: 4.67 of 5 stars
    · 24 ratings
    Casmir and his allies have struck a devastating blow to the powerful prince who sent invaders into their star system, but war still rages at home. Worse, the prince has escaped with a lethal bioweapon, and he intends to wipe out all human life on Odin. Casmir could lose his parents, his friends, and everyone he holds dear...
  • Planet Killer by Lindsay Buroker

    Planet Killer by Lindsay Buroker

    Rated: 4.65 of 5 stars
    · 24 ratings
    Casmir has survived against impossible odds, and now he longs to return home. But an invasion force is blockading the Kingdom’s wormhole gate, and it would be suicidal to fly through it now. Worse, his family and friends are stuck on the other side, with hostile forces attacking their home world. The only way Casmir can help is to find out who’s behind the invasion… and convince him to stop...
  • Gate Quest by Lindsay Buroker

    Gate Quest by Lindsay Buroker

    Rated: 4.59 of 5 stars
    · 27 ratings
    Roboticist extraordinaire Casmir Dabrowski has a new nemesis: astroshaman leader Kyla Moonrazor. She’s stolen the ancient wormhole gate the king ordered Casmir to retrieve, and she’s entrenched in an underwater base on a forsaken moon. Moonrazor is more educated and more experienced than Casmir, and she has legions of killer robots and cyborg defenders on her side. Casmir has his friends and..
  • Crossfire by Lindsay Buroker

    Crossfire by Lindsay Buroker

    Rated: 4.56 of 5 stars
    · 28 ratings
    For the first time in his life, roboticist Casmir Dabrowski is headed to another star system as an advisor for the Kingdom space fleet. He’s being given a chance to prove himself to King Jager by helping find the ancient artifact he inadvertently lost. It’s best not to think about what might happen if he fails..
  • Spaced Out by Stuart Gibbs

    Spaced Out by Stuart Gibbs

    Rated: 4.44 of 5 stars
    · 18 ratings
    In this New York Times bestselling novel the moon base commander has gone missing and Dash Gibson is on the case. The second mind-boggling mystery of the Moon Base Alpha series from beloved author Stuart Gibbs.There’s nowhere to hide on the world’s first moon base. After all, it’s only the size of a soccer field...
  • Waste of Space by Stuart Gibbs, Gibson Frazier

    Waste of Space by Stuart Gibbs, Gibson Frazier

    Rated: 4.44 of 5 stars
    · 16 ratings
    Tensions are running high when multibillionaire Lars Sjoburg is poisoned and demands to go home and everyone is looking to Dash Gibson to solve the case, in this third and final book in the New York Times bestselling Moon Base Alpha series.Moon Base Alpha was supposed to be an exciting place to live, but Dash didn't expect for it to be this exciting...
  • Hero Code by Lindsay Buroker

    Hero Code by Lindsay Buroker

    Rated: 4.48 of 5 stars
    · 27 ratings
    Casmir Dabrowski is finally heading back to his home world, determined to gain an audience with the queen and convince her to tell him the secret of his genes. But the terrorists who have been sending robot assassins after him are still there—and still want him dead. As soon as he lands, the trouble starts...
  • End Game by Lindsay Buroker

    End Game by Lindsay Buroker

    Rated: 4.44 of 5 stars
    · 27 ratings
    Alisa Marchenko has reunited with her daughter, and even though she hasn’t figured out how to get Jelena to accept Leonidas yet, she dreams of the three of them starting a new life together. They can return the Star Nomad to its original purpose of running freight and staying out of trouble (mostly)...
  • Miles, Mutants, and Microbes by Lois McMaster Bujold

    Miles, Mutants, and Microbes by Lois McMaster Bujold

    Rated: 4.44 of 5 stars
    · 26 ratings
    Content: 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...
  • Asylum by Lindsay Buroker

    Asylum by Lindsay Buroker

    Rated: 4.58 of 5 stars
    · 16 ratings
    Asylum is a stand-alone novel in the Star Kingdom universe. It introduces new heroes, but old fans will enjoy visits with Casmir, Kim, Qin, Laser, Oku, and other favorites from the original series.A young woman with cybernetic upgrades, Mari Moonrazor has decided to flee the restrictive machine-worshipping cult she was raised in...
  • The Hydrogen Sonata by Iain M. Banks

    The Hydrogen Sonata by Iain M. Banks

    Rated: 4.21 of 5 stars
    · 28 ratings
    The 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...
    Categorized as:
    humor  action-adventure  adult  ai  aliens  audiobook  book  far-future
  • Space Rodeo by Jenny Schwartz

    Space Rodeo by Jenny Schwartz

    Rated: 4.40 of 5 stars
    · 10 ratings
    On the galactic frontier, the Federation’s wildest (and most scientific) citizens have gathered to ride in the Space Rodeo. The Navy’s in charge—of the arena. But beyond the naval perimeter, there is only Interstellar Sheriff Max Smith to keep the peace. Fortunately, he has some extraordinary allies. And enemies. And then, there is his girlfriend...
  • Sara and the Spymaster by Honey Phillips

    Sara and the Spymaster by Honey Phillips

    Rated: 4.40 of 5 stars
    · 10 ratings
    Can a passionate woman awaken a frozen warrior? Sara’s life is turned upside down when she is kidnapped by brutal aliens. Even after she’s rescued by an Imperial ship, she can’t return to Earth. The only person who seems concerned about her future is the icy alien warrior who interrogates her...
    Categorized as:
    humor  romance  sci-fi  aliens  space  slavery  other-world  futuristic
  • Jacinda's Challenge by M.K. Eidem

    Jacinda's Challenge by M.K. Eidem

    Rated: 4.40 of 5 stars
    · 23 ratings
    Jotham is the King of the House of Protection. He was the youngest male ever to assume the position because of the sudden death of his father in Jotham’s twentieth cycle. In the last forty cycles, he married his life mate, Lata, and lost her in a transport accident. He had two sons and lost one due to his son’s own treachery...
    Categorized as:
    humor  adult  aliens  alpha-mc  audiobook  book  contemporary  fiction
  • Miles, Mystery, and Mayhem by Lois McMaster Bujold

    Miles, Mystery, and Mayhem by Lois McMaster Bujold

    Rated: 4.36 of 5 stars
    · 26 ratings
    Contains: 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...
  • And Now for Something Completely Different by Jodi Taylor

    And Now for Something Completely Different by Jodi Taylor

    Rated: 4.35 of 5 stars
    · 27 ratings
    Here's a question for you. What's the most exciting thing ever found in a fire bucket? And don't say 'fire' because you'll be wrong...
  • Space Case by Stuart Gibbs

    Space Case by Stuart Gibbs

    Rated: 4.28 of 5 stars
    · 36 ratings
    It’s a murder mystery on the moon in this humorous and suspenseful space adventure from the author of Belly Up and Spy School that The New York Times Book Review called “a delightful and brilliantly constructed middle grade thriller...
  • Ship of Ruin by Lindsay Buroker

    Ship of Ruin by Lindsay Buroker

    Rated: 4.37 of 5 stars
    · 24 ratings
    All Casmir Dabrowski wants is to return to his normal life as a robotics professor on the solid ground and agreeable gravity of his home world. No sane person would want to cavort around in space, being chased by mercenaries, soldiers, and knights—not to mention the unidentified organization that’s been sending robot assassins after him...
  • Knight Protector by Lindsay Buroker

    Knight Protector by Lindsay Buroker

    Rated: 4.38 of 5 stars
    · 22 ratings
    A sci-fi romance set in the Star Kingdom universe.The characters from this book will be introduced in book 6 of the series. An arranged marriage she can’t escape. A sexy bodyguard who will protect her at all cost...
  • My Ant Monster Mate by Susan Trombley

    My Ant Monster Mate by Susan Trombley

    Rated: 4.50 of 5 stars
    · 6 ratings
    YeseniaHunting giant ant aliens is never an easy job, but the opportunity to capture a male Menops before he imprints on a queen is too good to pass up. Even if it means putting up with a mouthy Artificial Intelligence and traveling to a planet restricted by the Cosmic Syndicate. Vengeance for humanity—for my family—is too important to let any obstacle stand in my way...
  • Damnation by M.R. Forbes

    Damnation by M.R. Forbes

    Rated: 4.69 of 5 stars
    · 10 ratings
    The enemy is everywhere. Our existence hangs by a thread.On Earth we’re dying - the ships have landed.On Proxima we’re ignorant - the sabotage nearly complete.Our strongholds are routed.Our defenses crippled.Our wills are broken.Our hope is gone...… or is it?Three heroes.Two battlefronts.One desperate chance for victory...
    Categorized as:
    humor  adult  ai  aliens  book  dystopia  fiction  first-contact
  • Deep Space - Hidden Terror by Laurence E. Dahners

    Deep Space - Hidden Terror by Laurence E. Dahners

    Rated: 4.62 of 5 stars
    · 11 ratings
    This hard Sci-Fi novel is the sixth book in the “Stasis Stories,” a series of optimistic tales of technological innovation in the near future. They follow Kaem Seba, a young man with extraordinary math talents. With his friends, he’s come up with a device that allows time to be stopped within limited volumes of space-time...
  • Out of the Ashes by Ivan Kal

    Out of the Ashes by Ivan Kal

    Rated: 4.38 of 5 stars
    · 8 ratings
    -NOTE- This book has been professionally re-edited as of April 2, 2016 Victory against the Sowir at the battle for Nuva gave Olympus and their new allies time to fortify their positions. Meanwhile Olympus stretches its already limited resources on a mission to aid their home planet - Earth, which had been enslaved by an alien race called Ra'a'zani...
  • Unity and the Usurper by Honey Phillips

    Unity and the Usurper by Honey Phillips

    Rated: 4.33 of 5 stars
    · 9 ratings
    A barbaric alien king. A fierce human female. A galactic conspiracy...After leading a rebellion to overthrow a tyrannical king, Cronan discovers a beautiful, defiant human female. She’s a responsibility he doesn’t need in the chaotic aftermath of the rebellion, but one he can't abandon...
    Categorized as:
    humor  sci-fi  aliens  monsters  space  female-mc  alpha-mc  futuristic
  • The Hot Gate by John Ringo

    The Hot Gate by John Ringo

    Rated: 4.27 of 5 stars
    · 29 ratings
    New York Times Best-Selling Author.The Big Showdown with an Alien Empire, to Keep the Earth Free—and Maybe Free the Galaxy as Well. The fight to free the Earth from alien domination began in Live Free or Die, and continued in Citadel. Now Tyler Vernon, and his troops aboard the gigantic battle station Troy, face a desperate battle with the forces of galactic tyranny...
  • Claimed by the Alien Warrior by Hope Hart

    Claimed by the Alien Warrior by Hope Hart

    Rated: 4.31 of 5 stars
    · 24 ratings
    What’s worse than being stuck on an alien planet? Being stuck on an alien planet when you’ve made an enemy of the local tribe King. Okay, so I may have stolen his favorite misua and snuck away to find my friends. But he should’ve known better than to forbid me to go. I’m a marine, and we leave no man-- or woman, behind...
  • Alien Hope by Honey Phillips

    Alien Hope by Honey Phillips

    Rated: 4.30 of 5 stars
    · 10 ratings
    Torn apart for ten years, can they reclaim their love? For as long as Emlan could remember, T’renan had been part of her life - friend, protector, confidant - but when she tried to show the massive alien warrior she wanted more, he left her. When she heard that he had been killed, she couldn't let herself believe he was really gone...
    Categorized as:
    humor  adult  age-gap  aliens  alpha-mc  book  fiction  first-contact
  • Sanctuary by Ivan Kal

    Sanctuary by Ivan Kal

    Rated: 4.30 of 5 stars
    · 10 ratings
    -NOTE- This book has been professionally re-edited as of March 23, 2016 A new start, six hundred light-years from Earth. Tomas Klein founder of Olympus had brought his people to a new world, freed them from constraints of Earth and its governments. But a new world brings new dangers. Tomas Klein will need to set aside past regrets and rise up to the challenge...
  • Rita and the Raider by Honey Phillips

    Rita and the Raider by Honey Phillips

    Rated: 4.30 of 5 stars
    · 10 ratings
    Every good mating begins with a kidnapping… Worvak was taught to value honor above all else. When his honor demanded he sacrifice everything to save a friend, he didn't hesitate. But then a dangerous mission leads him to a fragile, dirty female with enough courage for ten warriors - a female he would do anything to call his own. For the first time in his life, his honor and his heart are at war...
  • Ghosts of Empire by Terry Mixon

    Ghosts of Empire by Terry Mixon

    Rated: 4.25 of 5 stars
    · 12 ratings
    When 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 ratings
    Between 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...
  • Citadel by John Ringo

    Citadel by John Ringo

    Rated: 4.20 of 5 stars
    · 30 ratings
    Of all the hosts of Eurotas the Troias were the most fell. For they were born of Winter.Between the Solar Array Pumped Laser and Troy, the two trillion ton nickel-iron battlestation created by eccentric billionaire Tyler Vernon, Earth has managed to recapture the Sol system from their Horvath conquerors and begin entering the galactic millieu...
  • Healing Her Patient by Evangeline Anderson

    Healing Her Patient by Evangeline Anderson

    Rated: 4.33 of 5 stars
    · 6 ratings
    A woman who struggles with infertility has given up on finding loveA warrior who thinks he will never be able to bond a brideThrown together on a mission where they must pretend to be Joined MatesWill their lie become a reality? Dr. Danielle Adams isn't looking for love. Health issues have rendered her unable to have kids and she has given up on finding a relationship...
  • Stealing Her Heart by Evangeline Anderson

    Stealing Her Heart by Evangeline Anderson

    Rated: 4.33 of 5 stars
    · 6 ratings
    A Kindred thief who longs for a female to love... An abandoned woman, trying to start again... When the two of them are thrown together, sparks fly. But what happens when Vicky has to pretend she's a professor Who teaches sexual techniques to younger men? You'll have to read Stealing Her Heart to find out. Vicky Erickson is having a lousy Valentine’s Day...
    Categorized as:
    humor  adult  age-gap  aliens  audiobook  book  fiction  futuristic
  • The Admiral and the Wildcat by Mina Carter

    The Admiral and the Wildcat by Mina Carter

    Rated: 4.33 of 5 stars
    · 6 ratings
    Gabriel Buchanan is a fighter. Once a marine, now he's an Admiral and lawyer for Alliance Fleet. He spends his time taking on the tough cases no one else dares to touch. His life changed course after a messy divorce, making him vow never to love again. Until a hot blonde who matches his drive to fight shows up on his watch. She's a real wildcat--one Gabe wants to get up close and personal with...
    Categorized as:
    humor  adult  aliens  book  fiction  fighter  futuristic  legal
  • Alien Barbarian's Queen by Juno Wells

    Alien Barbarian's Queen by Juno Wells

    Rated: 4.33 of 5 stars
    · 6 ratings
    I do not desire death, but if that is my destiny to protect my Queen, then so be it...EveAfter the fall, homeless folks like I became were shut out of the system. Not even my medical degree saved me from the fate so many experienced. Living rough with a group of women and children, we end up attached to a roving military unit when hostile aliens attack Earth...
    Categorized as:
    humor  adult  aliens  alpha-mc  book  dragons  female-mc  fiction
  • Torrvok by Alana Khan

    Torrvok by Alana Khan

    Rated: 4.33 of 5 stars
    · 6 ratings
    Torrvok, a cunning and skilled warrior, protects Sierra from enemies who hunt them without mercy. But can he keep her safe from the raging beast writhing under his skin?SierraHe rescued me—twice—then protected me on a dangerous chase across a continent.Despite his warnings not to trust him, when we’re together I’m only aware of the pounding desire his presence ignites...
  • We Are The Wolf by Toby Neighbors

    We Are The Wolf by Toby Neighbors

    Rated: 4.25 of 5 stars
    · 8 ratings
    Off World Force Recon, the first in the fight, the tip of the spear. With human colonies on 45 worlds and space stations in over a hundred different systems, serving with the elite Force Recon branch of the Extra Solar Defense Force is the most prestigious career anyone could hope for...
  • Forbidden System by David Alastair Hayden

    Forbidden System by David Alastair Hayden

    Rated: 4.25 of 5 stars
    · 8 ratings
    The Benevolency UniverseA superintelligence called the Benevolence has ruled humanity for over three thousand years. Under its guidance we have spread amongst the stars and experienced an unprecedented age of peace, prosperity, and technological advancement. All of that is about the change...
    Categorized as:
    humor  sci-fi  ai  audiobook  ghosts  aliens  fiction  futuristic
  • My Chameleon Mate by Susan Trombley

    My Chameleon Mate by Susan Trombley

    Rated: 4.20 of 5 stars
    · 10 ratings
    VeraI accidentally launched an escape pod on my miserable honeymoon—with me on it—and crash-landed in the middle of an alien jungle on a forbidden “emerging civilization” planet, breaking about a hundred Cosmic Syndicate laws.Oh, and I robbed a hot lizard guy with sexy black eyes, the most colorful scales I’ve ever seen, and a powerful prehensile tail that curls up like a cinnamon roll...
    Categorized as:
    humor  adult  ai  aliens  alpha-mc  book  fiction  futuristic
  • His Human Rebel by Michele Mills

    His Human Rebel by Michele Mills

    Rated: 4.20 of 5 stars
    · 10 ratings
    After a teeny incident with red paint, my hometown votes that it’s done with my activist ways . . .Now I’m on an entirely different planet, holding a single suitcase, standing on a platform, waiting for my new alien husband to arrive . . . I bite my lip as I wait because there’s one serious problem with this whole situation . . . after a best forgotten, one-night stand gone wrong . .
  • The Rogue Prince by Lindsay Buroker

    The Rogue Prince by Lindsay Buroker

    Rated: 4.17 of 5 stars
    · 12 ratings
    Starseer, pilot, and animal lover Jelena Marchenko wants to prove to her parents that she’s ready to captain her own freighter and help run the family business. When she finally talks them into getting a second ship and letting her fly it, it doesn’t faze her that the craft is decades old and looks like a turtle. This is the chance she’s craved for years...
  • Raven's Return by Ruby Dixon

    Raven's Return by Ruby Dixon

    Rated: 4.17 of 5 stars
    · 28 ratings
    No one ever comes back for me.I’ve always been on my own, and why should it be any different on an ice planet? So when I’m kidnapped by a feral outcast, I suspect I’d better learn to love raw fish and rough living.Then…U’dron comes to my rescue.He’s always understood me more than anyone else. He’s been my friend and my confidante. We’ve made music together...
    Categorized as:
    humor  adult  aliens  audiobook  book  contemporary  dark  fated-mates
  • Rapport: Friendship, Solidarity, Communion, Empathy by Martha Wells

    Rapport: Friendship, Solidarity, Communion, Empathy by Martha Wells

    Rated: 4.22 of 5 stars
    · 18 ratings
    Perihelion and its crew embark on a dangerous new mission at a corporate-controlled station in the throes of a hostile takeover..
  • Live Free or Die by John Ringo

    Live Free or Die by John Ringo

    Rated: 4.11 of 5 stars
    · 34 ratings
    First Contact Was Friendly When aliens trundled a gate to other worlds into the solar system, the world reacted with awe, hope and fear. But the first aliens to come through, the Glatun, were peaceful traders and the world breathed a sigh of relief...
  • The Jupiter Catastrophe: Hard Science Fiction by Brandon Q. Morris

    The Jupiter Catastrophe: Hard Science Fiction by Brandon Q. Morris

    Rated: 4.17 of 5 stars
    · 6 ratings
    After a long journey to Saturn’s moon Enceladus, spaceship ILSE is on its way back to Earth, carrying crucial cargo. The crew is exhausted and wants nothing more than a quick return home. Suddenly, a chain of malfunctions puts the expedition in peril. The difficulties appear to be related to planet Jupiter, whose orbit they are crossing...
  • Red Horizon: The Truth of Discovery by Salvador Mercer

    Red Horizon: The Truth of Discovery by Salvador Mercer

    Rated: 4.17 of 5 stars
    · 6 ratings
    The truth of discovery is on mankind’s horizon, a Red Horizon. For nearly four long years, the world’s superpowers have mobilized their people and resources in preparation for the next discovery, Mars. The race against one another pales in comparison to the inherent dangers of travelling through the vastness of the cosmos, going where mankind has never gone before...
  • Rebellion by Loki Renard

    Rebellion by Loki Renard

    Rated: 4.17 of 5 stars
    · 6 ratings
    Authority Rule #1: Never Cross A Kitari Warrior“Ensign Tessil!”Jerri turned around at the sound of her name boomed in rasping, rough tones. That was not a voice that had ever used her name before. She liked the way it sounded.It was an alien.The alien.Commander Atlas had set all the tongues wagging, a Kitari officer serving on a largely human vessel...
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