Science Fiction Military Action Space Opera

Captain Nathan Kade just wants a quick job to keep his busted-up spaceship limping through the Solar System. Instead he gets Vessani S’Kaari, a mysterious and beautiful catgirl who tried—and failed—to steal a ship belonging to a band of space pirates. She’s chaos in a tight catsuit, but she also has a lead on what may be the greatest treasure trove of lost technology the Solar System has ever seen.

Hi. My name is Jack, and I’m a 400-kilogram combat android. The Hegemony built me to hunt down rebels, crush resistance, and kill anyone stupid enough to stand in my way, so naturally, I joined the rebels. It made sense at the time. Have you ever heard of Sean Robins? Neither had I. Then someone informed me that apparently he’s my creator. Yes. Imagine my disappointment. I’m a two-meter-tall, 400-kilogram killing machine capable of tearing armored soldiers apart with my bare hands, and my creator turns out to be a nerdy English teacher from a country that doesn’t even exist in my ...

Firefly meets Battlestar Galactica in this massive 1,500-page military sci-fi boxset! One ship. One crew of glorious misfits. One empire that really, really wants them vaporized. Captain Xander Hawk thought he had seen the worst the galaxy could throw at him. Then the Malice Ascendant arrived: an Imperial nightmare-class dreadnought built for planetary annihilation, subtlety not included. When a rescue mission goes catastrophically sideways, Hawk and his crew are dragged into a war they never asked for, hunted by enemies on every side, and betrayed by the very powers they once served. Their...

Three heroes. Three wars. One galaxy that really should’ve stayed in bed. A starship captain who refuses to run when the void starts staring back. A hardened marine forged in invasions where survival is optional. An ace fighter pilot who lives at the edge of impossible odds and pushes past it anyway. From Voidwalker Chronicles, Invasion Earth Saga, and Renegades of the Void, three epic universes collide in a collection packed with brutal space battles, ancient alien threats, and decisions that don’t just decide who lives or dies, but whether the galaxy itself gets a future. Fleets burn....

Sylvas Vail is a big fish in a small pond, the most powerful mage on his planet. But when the doors to the cosmos come crashing open and all the untold wonders and terrors of the universe come pouring in, he is left with only two options: Ascend or die.

Humanity thought they were the only intelligent life in the universe. They were wrong. An alien spacecraft has crashed on Earth. A group of scientists want to establish contact with the aliens. A hostile government wants to nuke the crash site. Special Forces Major Joe Hunt is caught in the middle. With time running out to establish a peaceful relationship with the aliens, Joe must battle his instincts and unexpected forces that threaten the very future of humanity. Regardless of what happens, Earth risks being dragged into a galactic civil war it's not ready for. Minus Epsilon is classic ...

As the last starfighter, only Henry Gallant can stop the alien invasion. In an era of genetic engineering, Henry Gallant is the only Natural left in the United Planets' fleet. With the space fleet on the verge of annihilation from the alien invasion, analyzing the captured computer in Gallant's possession is critical to stopping them. He can expect no help as he navigates through threatening aliens on his way to Mars, and his shipmates doubt he is up to the challenge. But as the last starfighter in Squadron 111, the lives of his shipmates, as well as a good many others, depend on Henry ...

Duty, love and war are a lethal mix. Val Standish is a farm girl on Nadolo Prime, and everyone knows there's only one way off that backwater planet: joining the Imperial Fleet. When an empire-spanning civil war breaks out, the peaceful life she knows is shattered. With war engulfing the Empire, Standish will do whatever it takes to survive, never knowing that her adventures will take her to the very heart of power, while exposing her to more danger than she’d ever imagine. Standish is a full-length standalone space opera novel in the Earth Saga series. Start here for thrilling space ...

The aliens offered food. The price was soldiers. With Earth collapsing and his daughter in need of treatment he cannot afford, paramedic Mark Calder does the unthinkable: he volunteers to fight in an alien war. Ripped from his world and sealed inside a deadly combat frame, Mark is sent to the front lines of a conflict where human troops are treated as expendable assets and survival is little more than a statistical error. Every battle is a slaughter. Every victory comes at a cost. And the more Mark sees of the war, the more he begins to suspect that humanity’s alien saviors are not ...

The Origin Series is empire building at its finest, with 100 episodes and over 2.5 million words in the military science fiction serial detailing the rise of Star Force from corporate entity into an interstellar empire over the course of more than a millennium. Follow a core group of characters known as the Trailblazers as they use alien technology and knowledge discovered in Antarctic ruins to obtain limited immortality and lead humanity out into the galaxy.

The galaxy is burning. And Jack is the one who struck the match. Jack wanted to destroy the Hegemony and free the countless worlds trapped beneath its rule. Instead, he shattered the empire into warring factions. Now admirals slaughter one another for power, entire planets are reduced to glass, and billions of innocent people are caught in the crossfire. The Hegemony may be dying, but it’s taking the galaxy with it—and Jack’s brilliant plan is responsible. For once, the sarcastic combat android has no joke, no clever explanation, and no one else to blame. But Jack isn’t ready to ...

What do a combat android, a space marine, a starfighter pilot, a paramedic trapped inside a combat mech, and a rogue starship captain have in common? Absolutely nothing. Except they’re all about to have a really, really bad week. Welcome to the worlds of Sean Robins, where the odds are impossible, the explosions are excessive, the heroes are dangerously sarcastic, and the universe has apparently decided that therapy is less entertaining than another alien invasion. Inside this massive collection are five complete novels, each launching a bestselling military science fiction series—and ...

Smugglers. Thieves. Pirates. The Sea Rover's crew embodies these defining qualities. Immerse yourself in a Science Fiction Adventure box set written by author C.P. MacDonald. Witness Captain Calin Aku's evolution from the most wanted outlaw on the Moon to an unexpected if reluctant hero. Job by job, paycheck by paycheck, he keeps flying. However, with a new client comes a cascade of adventure, forging unusual alliances and unraveling amazing mysteries. These revelations don't just alter the lives of Calin and his crew but also reshape humanity's future. Join Calin Aku and his crew as they ...

Follow a core group of characters known as the Trailblazers as they use alien technology and knowledge discovered in Antarctic ruins to obtain limited immortality and lead humanity out into the galaxy, encountering, befriending, and fighting hundreds of alien races all the while desperately trying to prepare Earth for the unbeatable threat at the core of the Milky Way that is destined to return and reclaim their lost colony...and their former human slaves.

With the galactic capital of Centris in the starship Crimson Tear's wake, and the lost colony world of Lakran in dire need of relief, the Bridger family has a stop to make on their way to the true depths of wild space and Lakran. Vucsa 5, a world on the galactic frontier recently conquered by Agenda Lilpaw—a pirate queen turned Undaunted privateer and now reigning as an actual queen—has sent word of an opportunity that promises mutual benefit. An intriguing proposition from a reformed pirate. With challenges martial, diplomatic, and logistic in front of them, one thing is for certain: ...

The third entry in the critically acclaimed Culture series, from British Science Fiction author, Iain M. Banks. The man known as Cheradenine Zakalwe was one of Special Circumstances' foremost agents, changing the destiny of planets to suit the Culture through intrigue, dirty tricks and military...

With over 10 million copies sold, The Expanse has become one of the biggest science fiction phenomenons of the decade. The sixth book in the New York Times bestselling Expanse series, Babylon's Ashes has the galaxy in full revolution and it's up to the crew of the Rocinante to make a desperate...

Follow a core group of characters known as the Trailblazers, as they use alien technology and knowledge discovered in Antarctic ruins, to obtain limited immortality, and lead Humanity out into the galaxy, encountering, befriending, and fighting, hundreds of alien races, all the while desperately trying to prepare Earth for the unbeatable threat at the core of the Milky Way that is destined to return, and reclaim their lost colony - and their former human slaves.

Mark Calder used to pull people out of burning buildings for a living. Now he’s a ghost in a chrome body, ten thousand light-years from New Orleans, about to address a hundred and forty-seven thousand human combat frames and ask them to kindly commit treason against the most powerful empire in the galaxy. No pressure. The Veylorian Republic built the perfect soldier: obedient, expendable, memory-wiped at the end of each tour. What they forgot to account for was one sardonic paramedic with a tactical AI who edits his speeches in real time, a rebel admiral with the emotional warmth of a ...

Corridor War Book Two of the Sons of the Iron Throne The Aso-Oke Star Empire is running on borrowed time. Ninety days after broadcasting the live archive that exposed four centuries of systemic atrocities, Commander Adaeze Obi leads a fragile, under-resourced rebel fleet from the shadows of the Igbo Corridor. The empire’s governing AI, the Seat of Remembrance, is accelerating toward Ancestral Silence, its central decision trees collapsing under the weight of its own historical purges. To contain the spread of truth, the Seat grants emergency authority to General Emeka Odunwa, the ...