Adventure Military Space Opera

Leo Jones wants nothing more than to become a surgeon, but a misplaced terrorist bomb destroys his chance at a fast-tracked career, and nearly his optimism. His plan B finds him cleaning a navy starship, saving for school, and running out of patience. Hophnia Zimmerman wields her willpower with even more skill than her violin bow. As a new navy officer, she's disappointed her first battle is not against an invader, but Leo's traitorous captain.

In 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 humanity’s two factions is on the cusp of disruption once more. It’s a race to find out what really happened, and who is to blame. "The Observers" is a tale from John Scalzi's The Human Division, a series of self-contained but interrelated short stories set in the Old Man's War universe.

Jon Hawkins and his crew are exhausted and homesick. They've destroyed the alien machine menace, going deep into the Kuiper Belt to annihilate the secret A.I. base. From out here, the sun looks like just another star. It's a lonely existence. They're ready to go home. What they don't know - what no one could - was that the A.I. destroyer was only a scout. More alien vessels drop out of hyperspace. This is an A.I. assault. The clock to human extinction has begun ticking.

Scattering after the Yuuzhan Vong's invasion of Coruscant, the panic-stricken members of the New Republic Advisory Council pause just long enough to set up a mock defense on nearby Borleias and attempt to buy time - which fools no one, least of all the Jedi. Bearing down swiftly on Borleias is a Yuuzhan Vong invasion fleet, determined to destroy the galaxy's remaining defenders.

Eighteen years ago the Starship Enterprise thwarted an alien invasion from another universe, and Captain Robert April took possession of the interdimensional transfer device that made it possible. Since then each captain of the Enterprise has guarded this secret with his life. Now Romulan agents have succeeded in stealing the device and are using it to banish Ambassador Sarek and Councillor Gorkon to an unknown realm in the midst of their groundbreaking Federation-Klingon peace negotiations.

One of the most cunning and merciless officers of the First Order, Captain Phasma commands the favor of her superiors, the respect of her peers, and the terror of her enemies. But for all her renown, Phasma remains as virtually unknown as the impassive expression on her gleaming chrome helmet. Now, an adversary is bent on unearthing her mysterious origins - and exposing a secret she guards as zealously and ruthlessly as she serves her masters.

As a development platform for desperately needed advanced technology, the experimental starship Foresight is the greatest hope humankind has to flee the alien hordes. For test pilot Captain Nicholas Shepherd, the success of the program is even more personal. Successful completion means delivering his wife and son safely off-world and leaving the war behind for good. But when Foresight suffers a critical malfunction during her final scheduled flight, what should have been a minor setback becomes a major fight for survival.

Lost Stars is the second book in the Thunderstrike series, which chronicles the continuing adventures of a ragtag group of aliens on the run in a dangerous universe. If you like aliens of all shapes and sizes, playful banter and dark humor, plus endless space battles, you'll love it! -- Note: This series is an homage to thrilling pulp sci-fi of yesteryear. If you're interested in hard science fiction look elsewhere. But if you're looking for action-packed adventures on strange worlds with even stranger aliens, this series is for you.

Maddox and the crew are on their own, facing perils inside the ship and terrifying alien dangers outside in one of the remotest regions of the Orion Arm. Then they stumble upon the darkest secret of all. Unless the A.I. Galyan, Meta, Sergeant Riker and the others can help their beleaguered captain, Victory is doomed and Earth will never learn of the terrible threat gathering in the stellar darkness.

The Year is 2040. The Marines have landed on Mars to guard the unearthed secrets of an ancient and dangerous alien race: Ourselves. Scientists have discovered something astonishing in the subterranean ruins of a sprawling Martian city: startling evidence of an alternative history that threatens to split humanity into opposing factions and plunge the Earth into chaos and war.

The colony world Adirondack and Silvern fell to the Troft forces almost without a struggle. Outnumbered and on the defensive, Earth made a desperate decision. It would attack the aliens not from space, but on the ground - with forces the Trofts did not even suspect. Thus were created the cobras, a guerrilla force whose weapons were surgically implanted, invisible to the unsuspecting eye, yet undeniably deadly.

The Empire is dead! And Captain Josiah Bleys, smuggler and charmer though he may be, is likely to soon follow unless he is willing to at least pretend to be something he loathes: a hero. His "pal" Chief Ragnar Kane, one of the Emperor's finest warriors, likewise harbors no aspirations toward gallantry, just increasing his kill count. Fate, however, has other plans.

The USS Discovery’s specialty is using its spore-based hub drive to jump great distances faster than any warp-faring vessel in Starfleet. To do this, Lieutenant Paul Stamets navigates the ship through the recently revealed mycelial network, a subspace domain Discovery can briefly transit but in which it cannot remain. After responding to a startling distress call originating from within the network, the Discovery crew find themselves trapped in an inescapable realm where they will surely perish unless their missing mycelial fuel is found or restored.

The action-packed sequel to Raw Space by New York Times bestselling author Todd J. McCaffrey. The King's Ghosts is more than just a space opera; it’s a deep dive into a universe where loyalty, betrayal, and the very nature of humanity are constantly tested. Todd J. McCaffrey, son of the legendary Anne McCaffrey, delivers a story rich in action, character, and complex world-building that is sure to captivate fans of science fiction and military thrillers. Don't miss this exciting next chapter in the Canaris Rift universe. Grab your copy of The King's Ghosts today and discover a world where...

In this finale of the Freedom's Fire series, the Free Army tries to salvage victory from what looks like a total loss. They've found a weakness in the Gray-Trog alliance they think they can exploit. But they'll need to ally themselves with the hated MSS and put their trust in people they've sworn to overthrow.

Hell's Faire continues Ringo's Legacy of the Aldenata series, this time pitting Major Mike O'Neal against a Posleen overlord with impressive technology looking to conquer human territories.

They are the Lost Legions. Famed warriors in the annals of military history, made famous when they struck out for the stars to fight a Savage invasion ... never to return or be heard from again. Until new evidence is uncovered that a Lost Legion sleeps in the pocked craters of a distant mining world. Sergeant Carson Metzger, a replacement pilot for a Republic HARD HK-PP mech unit, is sent to act as security for the science team seeking to confirm the discovery of the fabled missing legion. But when the local miners object to the arrival of Republic forces, tensions simmer to an all-out boil.

To annihilate the Galactic Union threat once and for all, Alliance Intelligence Director Aaron Hella needs the world-destroying firepower of the Ra weapons. Aligned with a sinister cabal of synthetic humans, he dispatches his most trusted operative—his own daughter—to steal two Ra warheads from a top-secret facility in the Planetary Federation. But the synths have other plans for the Ra weapons. To Hella's alarm, they fall into the hands of General Umez, a radical nationalist who launched a revolt against Alliance rule in the Tellus System.

Jake's continuing adventures take him into even more incidents and situations along the way. The alliance continued to face ongoing dangers and thought their advanced weapons would save them from the Silka; they were wrong! There are many occupied alliance worlds; not one could be considered a safe refuge. Not only that, the Silka fleet outnumbers the alliance and with skirmishes on the increase, is there going to be an all-out invasion?

After two years, the collapse of the Terran Commonwealth has finally slowed. With communications networks rebuilding, the Successor States are beginning to look to the future—but for some of these states, that is a future to be forged in fire and conquest. With warlords leading fleets into their stars, the newborn Weston Republic has called for help from every Successor State they could find. Now, James Tecumseh, founder of the Dakotan Confederacy, finds himself fighting shoulder to shoulder alongside Imperator Walkingstick—the man he blames for the fall of the Commonwealth itself.