Books like 'Titan'
Readers who enjoyed Titan by John Varley also liked the following books featuring the same tropes, story themes, relationship dynamics and character types.
sc-fi space action / adventure hard sci-fi military, war & conflict space-opera aliens lgbtq first-contact classics
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Secrets in the Stars by Mackey Chandler
Rated: 4.50 of 5 stars · 10 ratingsWhen Lee Anderson and her parents discovered a new world teeming with life, it was the dream of every explorer: they were rich beyond their imaginations. But tragedy struck when a herd of creatures overran their camp and killed her parents. The only other adult in her life had been their partner Gordon, who adopted her as parent. Which didn’t turn out to be easy, because he wasn’t human... -
![Quantum Space by Douglas Phillips]()
Quantum Space by Douglas Phillips
Rated: 4.34 of 5 stars · 30 ratingsThis is an alternate Cover Edition for ASIN: B06ZY9T5Y5.If you liked the authenticity of The Martian, the page-turning pace of Da Vinci Code, and the inspirational world view of Arthur C. Clarke, you'll love Quantum Space.High above the windswept plains of Kazakhstan, three astronauts on board a Russian Soyuz capsule begin their reentry...Categorized as:
aliens first-contact invasion space-opera space-travel time-travel action-adventure adult -
![In Fury Born by David Weber]()
In Fury Born by David Weber
Rated: 4.26 of 5 stars · 19 ratingsImperial Intelligence couldn't find them, the Imperial Fleet couldn't catch them, and local defenses couldn't stop them. It seemed the planet-wrecking pirates were invincible. But they made a big mistake when they raided ex-commando leader Alicia DeVries' quiet home work, tortured and murdered her family, and then left her for dead... -
![The Long Voyage of the Little Fleet by Mackey Chandler]()
The Long Voyage of the Little Fleet by Mackey Chandler
Rated: 4.40 of 5 stars · 10 ratingsIn the first book of this series "Family Law", Lee's parents and their business partner Gordon found a class A habitable planet. They thought their quest as explorers was over and they'd live a life of ease. But before they could return and register their claim Lee's parents died doing a survey of the surface... -
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![Omnia by S.H. Jucha]()
Omnia by S.H. Jucha
Rated: 4.33 of 5 stars · 12 ratingsAlex Racine, who led an elite group of humans and SADEs (self-ware digital entities), left the newly discovered planet of Celus-5 under difficult circumstances. Few of the Harakens with Alex thought there was little he could do to bring peace to the embroiled planet...Categorized as:
aliens first-contact invasion military space-opera space-travel action-adventure adult -
![Allora by S.H. Jucha]()
Allora by S.H. Jucha
Rated: 4.33 of 5 stars · 12 ratingsUntil the Confederation created Allora, it had produced SADEs (self-aware digital entities) for hundreds of years with enormous consistency and harnessed their capabilities to power the society. But this particular, young SADE was disturbed by her confinement...Categorized as:
aliens first-contact invasion lgbtq military space-opera space-travel action-adventure -
![Celus-5 by S.H. Jucha]()
Celus-5 by S.H. Jucha
Rated: 4.33 of 5 stars · 12 ratingsFor the Sojourn’s initial mission, the Haraken explorer ship undertakes the investigation of Celus-5, a world identified by Willem, a SADE (self-aware digital entity), and his team of scientists, as the best prospect for a new colony.What should be a routine survey mission becomes a disaster. To the Harakens’ surprise, they discover, not one, but two alien species engaged in conflict...Categorized as:
aliens first-contact invasion military space-opera space-travel action-adventure adult -
![Haraken by S.H. Jucha]()
Haraken by S.H. Jucha
Rated: 4.29 of 5 stars · 14 ratingsNine years of tranquility came to an abrupt end when a Méridien starship entered the Hellébore system, sounding a dire warning for Alex Racine, the Haraken president. Unwanted visitors had arrived again. But this time, they’re not alien; they’re human...Categorized as:
aliens first-contact invasion military space-opera space-travel action-adventure adult -
![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...Categorized as:
aliens dystopia first-contact invasion space-opera space-travel action-adventure adult -
![By Other Means by Evan Currie]()
By Other Means by Evan Currie
Rated: 4.25 of 5 stars · 16 ratingsThe Hayden War has ended and now SOLCOM and the Alliance are face to face in talks, but neither side has the slightest idea what happened in the ultimate battle of the war...Categorized as:
aliens female-mc first-contact military space-opera action-adventure adult audiobook -
![Blood World by B.V. Larson]()
Blood World by B.V. Larson
Rated: 4.25 of 5 stars · 16 ratingsA dirty deal was struck. Humanity was allowed to keep three hundred rebellious worlds. In return, we declared war on a powerful enemy from beyond the frontier. A frantic build-up of forces has begun, but the task is hopeless. Seeking allies, Earth’s legions are sent to BLOOD WORLD. A planet on the fringe of known space, where the people only respect masters of combat...Categorized as:
aliens first-contact invasion military space-opera space-travel action-adventure adult -
![Sol by S.H. Jucha]()
Sol by S.H. Jucha
Rated: 4.35 of 5 stars · 24 ratingsSol’s warships paid the ultimate price for threatening the Haraken and New Terran worlds. Now, Haraken President Alex Racine and his Méridien partner, Renée de Guirnon, are engaged in a desperate gamble to stop a war between their worlds and United Earth’s (UE) massive forces before it starts...Categorized as:
aliens first-contact invasion military space-opera space-travel action-adventure adult -
![Homeworld by Evan Currie]()
Homeworld by Evan Currie
Rated: 4.29 of 5 stars · 30 ratingsWar comes home to the Sol system when the Drasin track a human ship back to Earth, with devastating consequences. Facing massive force of invading alien ships wielding terrible power, the crew of the NAC spacecraft, their allies, and the people of Earth must mount a desperate effort to stop them... -
![Connection Unknown by Michael Chatfield]()
Connection Unknown by Michael Chatfield
Rated: 4.50 of 5 stars · 6 ratingsLuke Tavares has dreamed of joining the vast gaming guilds of the hypernet. After recently graduating high school, his parents have given him the same ultimatum as his siblings; he has one month to get a job to pay for his air, gravity, and water aboard the Dahlia.The freighter needs more hands, but Luke doesn’t want to be a trader-ship engineer...Categorized as:
aliens first-contact invasion military space-opera space-travel action-adventure book -
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![Corvus by Marko Kloos]()
Corvus by Marko Kloos
Rated: 4.50 of 5 stars · 14 ratingsWhen the aliens evolve, so does the threat against humanity in this thrilling sequel to Scorpio that finds Alex Archer in an epic battle of survival against the odds and the alien invaders.Alex Archer is a soldier now, the only civilian survivor from Scorpio to join the NAC Defense Corps... -
![The Long-Range War by Christopher G. Nuttall]()
The Long-Range War by Christopher G. Nuttall
Rated: 4.38 of 5 stars · 8 ratingsThe gloves have finally come off ... The Tokomak, the unquestioned masters of the galaxy, have dispatched a massive fleet to crush the Solar Union - and the fledgling Galactic Alliance - before the human race and its alien allies can tear the galactic order asunder. Hundreds of thousands of starships under the command of an alien tactical genius, bent on exterminating the entire human race .. -
![To Be Taught, If Fortunate by Becky Chambers]()
To Be Taught, If Fortunate by Becky Chambers
Rated: 4.20 of 5 stars · 45 ratingsIn her new novella, Sunday Times best-selling author Becky Chambers imagines a future in which, instead of terraforming planets to sustain human life, explorers of the solar system instead transform themselves. Ariadne is one such explorer. As an astronaut on an extrasolar research vessel, she and her fellow crewmates sleep between worlds and wake up each time with different features... -
![Intruder by C.J. Cherryh]()
Intruder by C.J. Cherryh
Rated: 4.31 of 5 stars · 24 ratingsThe civil war among the alien atevi has ended. Tabini-aiji, powerful ruler of the Western Association, along with Cajeiri his son and heir, and his human paidhi, Bren Cameron, have returned to the Bujavid, their seat of power.But factions that remain loyal to the opposition are still present, and the danger these rebels pose is far from over... -
![Battleship Indomitable by David VanDyke, B.V. Larson]()
Battleship Indomitable by David VanDyke, B.V. Larson
Rated: 4.25 of 5 stars · 12 ratingsFrom Hugo Award finalist David VanDyke and million-selling science-fiction legend B.V. Larson comes book two in the epic military space opera adventure saga!Commodore Straker's rebellion grows in strength--but his enemies are growing even faster...Categorized as:
aliens first-contact invasion military space-opera space-travel action-adventure adult -
![Earth Fleet by B.V. Larson]()
Earth Fleet by B.V. Larson
Rated: 4.25 of 5 stars · 12 ratingsAt long last Earth has a handful of starships. Surrounded by Rebel Kher, Imperials and the mysterious Nomads, Humanity dares to assert our right to independence. The interstellar community reacts harshly. In the eyes of our neighbors, we’re upstarts, dangerous beings that don’t know our place. For the Kher, freedom can only be won through battle...Categorized as:
aliens first-contact invasion military space-opera space-travel action-adventure adult -
![Destiny Lost by M.D. Cooper]()
Destiny Lost by M.D. Cooper
Rated: 4.25 of 5 stars · 12 ratingsSera leads a simple life. A little smuggling, some drinking contests, and captaining her star freighter, Sabrina. But when she picks up a mysterious shipping container on Coburn Station, things begin to go wrong. She finds herself at odds with The Mark, a dangerous pirate organization that wants the cargo on her ship... -
![Deep Black (Infinite Sky #1) by Samuel Best]()
Deep Black (Infinite Sky #1) by Samuel Best
Rated: 4.25 of 5 stars · 12 ratingsTwo crews return to Titan. Who will survive?Titan. Sixth moon of Saturn. A deadly enigma harboring the greatest secret in the history of humankind.In the wake of the first mission, two companies with very different goals plot a return to that distant moon. Their ships are safer, their technology has improved…and they want answers... -
![The Mote in God's Eye by Larry Niven, Jerry Pournelle]()
The Mote in God's Eye by Larry Niven, Jerry Pournelle
Rated: 4.12 of 5 stars · 37 ratingsIn 3016, the 2nd Empire of Man spans hundreds of star systems, thanks to faster-than-light Alderson Drive. Intelligent beings are finally found from the Mote, an isolated star in a thick dust cloud. The bottled-up ancient civilization, at least one million years old, are welcoming, kind, yet evasive, with a dark problem they have not solved in over a million years...Categorized as:
aliens classics dystopia first-contact military space-opera space-travel 20th-century -
![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...Categorized as:
aliens first-contact invasion military space-opera space-travel action-adventure adult -
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![Prelude to Extinction by Andreas Karpf]()
Prelude to Extinction by Andreas Karpf
Rated: 4.21 of 5 stars · 14 ratingsEarth's first interstellar mission -- An alien colony in ruins -- Their fight for survival has only just begun.When Jack Harrison climbed down the short ladder from the airlock and stepped onto the debris covered soil, the ground crackled with the sound of dried leaves and twigs...Categorized as:
aliens dystopia first-contact invasion space-opera space-travel action-adventure adult -
![Home World by B.V. Larson]()
Home World by B.V. Larson
Rated: 4.27 of 5 stars · 26 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. When the Earth is invaded by a rival empire, James McGill’s legion must defend the Home World. The top brass has complex plans, but none of that matters much to McGill, who chooses his own unique path...Categorized as:
aliens dystopia first-contact invasion military space-opera space-travel action-adventure -
![Valkyrie Rising by Evan Currie]()
Valkyrie Rising by Evan Currie
Rated: 4.19 of 5 stars · 16 ratingsTwo years after the initial invasion of Hayden's World, the newly reinforced Hayden Militia is in a state of stalemate with the remaining enemy forces but neither side is content to leave things at that.The alien alliance has dispatched their varsity to clean up the resistance on Hayden while the USF has officially activated Task Force V, the latest and most advanced combat ships built by humans... -
![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... -
![Invaders by Laurence E. Dahners]()
Invaders by Laurence E. Dahners
Rated: 4.42 of 5 stars · 15 ratings“Invaders” is about events that occur several years after those in the novel “Disc.” GSI (Gettnor Space Industries) is beginning to investigate our solar system and mine the asteroids. Aircraft and automobile companies are beginning to switch over to thrusters from their more traditional products. New uses for thrusters are popping up in the healthcare and sports industries... -
![Deceiver by C.J. Cherryh]()
Deceiver by C.J. Cherryh
Rated: 4.29 of 5 stars · 23 ratings"One of the best long-running SF series in existence" (Publishers Weekly) continues with the second novel in a brand-new Foreigner sequence. The civil war among the alien Atevi has ended. Tabini-aiji, powerful ruler of the Western Association, along with Cajeiri, his son and heir, has returned to the Bujavid, his seat of power... -
![Wizard by John Varley]()
Wizard by John Varley
Rated: 4.15 of 5 stars · 20 ratingsISBN moved from less recent editionOne of the greatest science fiction epics ever written, John Varley's Titan, Wizard, and Demon comprise a groundbreaking trilogy that will live forever. Human explorers have entered the sprawling mind of Gaea. Now they must fight her will. For she is much too powerful...and definitely insane.. -
![Orion Fleet by B.V. Larson]()
Orion Fleet by B.V. Larson
Rated: 4.26 of 5 stars · 24 ratingsWhat enemy could be more terrifying than a soulless, alien machine? A year ago the Kher Empire was forced to retreat, but they were not beaten. In ORION FLEET they return with a new weapon. A huge ship driven by AI begins methodically grinding inhabited worlds to dust. This unstoppable enemy is without fear or remorse, and the Rebels begin a desperate battle just to slow its advance...Categorized as:
aliens first-contact invasion military space-opera space-travel action-adventure adult -
![Howling Dark by Christopher Ruocchio]()
Howling Dark by Christopher Ruocchio
Rated: 4.26 of 5 stars · 24 ratingsThe second novel of the galaxy-spanning Sun Eater series merges the best of space opera and epic fantasy, as Hadrian Marlowe continues down a path that can only end in fire.Hadrian Marlowe is lost. For half a century, he has searched the farther suns for the lost planet of Vorgossos, hoping to find a way to contact the elusive alien Cielcin...Categorized as:
aliens first-contact invasion military space-opera time-travel action-adventure adult -
![1st to Fight by Rick Partlow]()
1st to Fight by Rick Partlow
Rated: 4.42 of 5 stars · 13 ratingsI retired from the USMC, and now I write about space marines. I never thought I’d actually become one. As a sci-fi author with a hit TV show, I have a few ideas about what alien invaders are supposed to look like. In my stories, they’re technologically advanced monsters, with tentacles, and no faces. Turns out I was right about the technology. And about how angry they’d be...Categorized as:
aliens first-contact invasion military space-opera space-travel action-adventure adult -
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![Accord of Honor by Kevin O. McLaughlin]()
Accord of Honor by Kevin O. McLaughlin
Rated: 4.33 of 5 stars · 6 ratingsWar over energy resources devastated the Earth and her colony on the moon. A new agreement was reached between the nations of the world: The Lunar Accord. Designed to end the possibility of war in space for all time, it bars nations or individuals from arming ships in space. Twenty peaceful years have passed since the Accord was signed... -
![Tanis Richards: Operative by M.D. Cooper]()
Tanis Richards: Operative by M.D. Cooper
Rated: 4.33 of 5 stars · 6 ratingsSomeone just killed Tanis Richards and replaced her with an Infiltrator Chameleon.While finally getting some much-needed shore leave on Mars, Tanis gets a message from Harm Ellis with instructions to go to Ceres and hunt for a missing operative . . . except she never makes it.At least, that’s what she’d like her would-be killers to think... -
![The Infinity Brigade #1 Stone Cold by Andrew Beery]()
The Infinity Brigade #1 Stone Cold by Andrew Beery
Rated: 4.33 of 5 stars · 6 ratingsDeath of a World/Birth of a Marine... By any reasonable definition, this was a bad day. My parents and sister were on Mars when the planet died. I watched it happen and could do nothing. That type of thing changes a man... -
![The Commander by C.J. Williams]()
The Commander by C.J. Williams
Rated: 4.20 of 5 stars · 10 ratingsLucas Blackburn had a peaceful job as an Airport Director in an out of the way community in central Nevada. He wanted to live quietly and let old scars heal. But then a spaceship landed. The lone occupant, a guy named Sam, gave Luke the keys and said it was up to him to stop a massive alien invasion that was on the way. Luke wanted to believe it was a hoax. The problem was, Sam had the proof...Categorized as:
aliens first-contact invasion military space-opera space-travel action-adventure adult -
![Chaos Vector by Megan E. O'Keefe]()
Chaos Vector by Megan E. O'Keefe
Rated: 4.17 of 5 stars · 12 ratingsDazzling space battles, intergalactic politics, and rogue AI collide in the second book in this epic space opera by award-winning author Megan O'Keefe.Sanda and Tomas are fleeing for their lives after letting the most dangerous smartship in the universe run free... -
![Espero by S.H. Jucha]()
Espero by S.H. Jucha
Rated: 4.17 of 5 stars · 12 ratingsTrouble infiltrated the Harakens’ capital city of Espero, in the form of New Terra criminal gangs who grew wealthy and powerful on the moons of Ganymede, hiding behind the cover of an ill-conceived mining charter. The gangs brought stims and addictive hallucinogenic drugs to Espero, distributing them to the young on the planet...Categorized as:
aliens first-contact invasion military space-opera space-travel action-adventure adult -
![Alpha Fleet by B.V. Larson]()
Alpha Fleet by B.V. Larson
Rated: 4.26 of 5 stars · 20 ratingsThe Imperials have devised a cunning new method of destroying Rebel worlds. Captain Leo Blake is largely responsible for both our survival and our current predicament. He and his crew are infamous among the stars. As a result, when ships of an unknown configuration begin flowing out of swirling rifts above Earth, Blake is called upon again to deal with the problem...Categorized as:
aliens first-contact invasion military space-opera space-travel action-adventure adult -
![Star Carrier by B.V. Larson]()
Star Carrier by B.V. Larson
Rated: 4.14 of 5 stars · 14 ratingsEarth builds her first war fleet! The greatest warships ever constructed in known space rise up one by one, soon dominating our skies. They strike fear into the hearts of every citizen and rebel colonist alike. Captain William Sparhawk, the very man who convinced the secretive Council to build this terrifying fleet, now has doubts about the project...Categorized as:
aliens first-contact invasion military space-opera space-travel action-adventure adult -
![Libre by S.H. Jucha]()
Libre by S.H. Jucha
Rated: 4.13 of 5 stars · 16 ratingsThe saga of the Rêveur continues in this second novel in The Silver Ships series.The surviving Méridiens have returned to Confederation space, aided by their recently discovered cousins, the New Terrans. They expect a celebration after their 71-year absence. Instead, they’re shocked to find the silver ships have destroyed half the Confederation...Categorized as:
aliens first-contact invasion military space-opera space-travel action-adventure adult -
![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... -
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![Demon by John Varley]()
Demon by John Varley
Rated: 4.11 of 5 stars · 18 ratingsISBN moved from less recent editionThe satellite-sized alien Gaea has gone completely insane. She has transformed her love of old movies into monstrous realities. She is Marilyn Monroe. She is King Kong. And now she must be destroyed... -
![Dragon's Egg by Robert L. Forward]()
Dragon's Egg by Robert L. Forward
Rated: 4.11 of 5 stars · 19 ratings"In science fiction there is only a handful of books that stretch the mind--and this is one of them."--Arthur C. Clarke In a moving story of sacrifice and triumph, human scientists establish a relationship with intelligent lifeforms--the cheela--living on Dragon's Egg, a neutron star where one Earth hour is equivalent to hundreds of their years... -
![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...Categorized as:
aliens dystopia first-contact invasion military space-opera space-travel action-adventure -
![A Fire Upon the Deep by Vernor Vinge]()
A Fire Upon the Deep by Vernor Vinge
Rated: 4.06 of 5 stars · 35 ratingsAlternate Cover Edition can be found here. A Fire upon the Deep is the big, breakout book that fulfills the promise of Vinge's career to date: a gripping tale of galactic war told on a cosmic scale... -
![The Heart of Matter by Evan Currie]()
The Heart of Matter by Evan Currie
Rated: 4.14 of 5 stars · 32 ratingsAfter an epic maiden voyage that introduced Earth to a larger universe—and a cosmos full of terrifying new enemies—Captain Eric Weston and the crew of the NAC spacecraft Odyssey have spent months cooling their heels under their admiral’s watchful eye... -
![Fear the Survivors by Stephen Moss]()
Fear the Survivors by Stephen Moss
Rated: 4.15 of 5 stars · 27 ratingsThe earth lies shaken in the aftermath of a conspiracy. Some of the smartest minds on the planet have striven for and died in an effort to scour the skies of four vast alien satellites, but their success has brought a terrible vengeance down upon us. While alien Agents stalk the earth, a team of exhausted scientists and military outcasts struggle to fight them amongst a planet on the brink...
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