Military Space Opera

The Solarian League lies in defeat, crushed by the Grand Alliance of Manticore, Haven, and Grayson. Obedient to the Alliance's surrender demands, the League is writing a new Constitution, to prevent the reemergence of out-of-control bureaucrats, like the "Mandarins" who led it to disaster. Frontier Security has been disbanded, the outer worlds have regained control of their own economic destinies, and multiple star systems will soon secede from the League entirely.

Dark secrets lurk in the Fallen Dome of Periculus, and Tempes Sol of the Guild of Light seeks them out to cement his place in the underhive - if he, and Hive Primus itself, can survive what he unleashes.

Captain Kyle Roberts delivered one of the Castle Federation's few victories in the early days of the war. Even losing his ship in the process didn't prevent him from being elevated as the hero - the "Stellar Fox" - his country desperately needed. His status with the public demands a worthy command, and he finds himself on the bridge of the federation's latest supercarrier and headed to the front lines of the war. But the navy sees his promotion as a public relations stunt.

When Klingon commander Kruge died in combat against James T. Kirk on the Genesis planet back in 2285, he left behind a powerful house in disarray - and a series of ticking time bombs: the Phantom Wing, a secret squadron of advanced Birds-of-Prey; a cabal of loyal officers intent on securing his heritage; and young Korgh, his thwarted would-be heir, willing to wait a Klingon lifetime to enact his vengeance.

Terra. For centuries, it has been the Clans’ ultimate prize. As prophesied by their founder, Nicholas Kerensky, the Clan that conquers Terra shall ascend above all others to become the ilClan, ruler over the rest of the Clans. And its leader shall become the ilKhan, and will lead the Inner Sphere into a new era.

Captain Jacob Brown knew something was up when the United Earth Navy sent two capital warships to their small outpost base. Nobody ever came out to Mosler Station unless they had to. Scout Team Obsidian was scheduled to stand down after two lengthy deployments, letting the team recuperate and rest, but leadership had other ideas. A prototype weapon system has been stolen from Earth, and Obsidian is being called up to track it down.

The Ixa smashed the galaxy to bits before they were defeated. Captain Husher has sounded the alarm in the decades since: the Ixa’s creators will return to finish the job. But unlike Husher, the galactic government didn't battle the Ixa, and the politicians have convinced themselves that maintaining peace means limiting the ability to wage war.

After her attempt to strike at the heart of Coruscant with a deadly virus, the sinister Ysanne Isard sets her sights on destabilizing the New Republic by seizing its medicinal bacta production. Under the guise of a mere power struggle between corporations on the planet Thyferra, the imperial mastermind has taken control of one of the galaxy's most precious resources. The heroes of Rogue Squadron are desperate to liberate the planet, and free prisoners trapped by Isard, only to find their plans foiled by the politics of the New Republic, which is set on assigning the squadron elsewhere.

Commander Joe Pikeman has his share of demons. But after a long deployment, he just wants to enjoy some home leave with his daughter. The galaxy has other plans. His last assignment takes him to Earth, humanity’s deserted homeworld. There, he finds Earth’s last settlement littered with the bodies of the people who lived there. As he hunts down those responsible, he runs head-first into some galaxy-shaking questions.

The heliopause protected Earth, keeping us safe from a violent galaxy. Or so we thought. Who knew it did more than keep us guarded? Who understood that its integrity was the only thing holding our beginner’s protection in place? If we'd known—if we’d understood, we’d have waited longer, a hell of a lot longer to pierce its veil. But when the USM Arrowheart passed through it and left our solar system, that protection ended and all hell broke loose. The aliens who'd been watching, waiting, and biding their time were ready. We weren’t. But there was hope.

Kylie Rhoads is a junker. She makes her living traveling the stars, salvaging abandoned ships left over from pirate attacks on the edge of the Gedri system. Some of the hulls are legal for the taking, most aren't. When a salvage job goes bad, Kylie finds herself on the wrong end of a gun. The hand holding that gun? The SA Space Force, just the people Kylie wants to avoid. To avoid prison, Kylie makes a deal to go deep into the Gedri System and rescue a simple girl. But out on the fringe, nothing is as it seems.

In this, the sequel to A Hymn Before Battle, Captain Michael O'Neal and his forces on Earth prepare to hold back an impending Posleen invasion.

It’s been four years since Earth threw its full military prowess against the Lanky incursion. Humanity has been yanked back from the abyss of extinction. The solar system is at peace. For now. The future for Major Andrew Grayson of the Commonwealth Defense Corps and his wife, Halley? Flying desk duty on the front. No more nightmares of monstrous things. No more traumas to the mind and body. But when an offer comes down from above, Andrew has to make a choice: continue pushing papers into retirement, or jump right back into the fight? What’s a podhead to do?

One hundred years ago, 4 crewmembers of the U.S.S. Enterprise™ crossed the dimensional barrier and found a mirror image of their own universe, populated by nightmare duplicates of their shipmates. Barely able to escape with their lives, they returned, thankful that the accident which had brought them there could not be duplicated...or so they thought. But now the scientists of that empire have found a doorway into our universe. Their plan is to destroy from within, to replace a Federation Starship with one of their own.

For years, Starfleet Intelligence agents have carried out undercover assignments deep within the Klingon Empire. Surgically altered and rigorously trained in Klingon culture, they operate in plain sight and without any direct support, while collecting information and infiltrating the highest levels of imperial power. Their actions have given Starfleet valuable insight into the inner workings of Klingon government and its relentless military apparatus. After three of Starfleet’s longest serving agents fear exposure, they initiate emergency extraction procedures.

In Battle Station, Kyle Riggs faces new challenges, new alien fleets, and learns the secrets behind the war he has been fighting for years. In the fifth book of the Star Force Series, the Eden system is in humanity's grasp, but can they keep it? Star Force is weak after a long war, and many yearn to go home. Knowing the machines will return with a new armada eventually, Riggs seeks a more permanent solution. Along the way, worlds are won and lost, millions perish, and great truths are revealed.

Born to oppression, Siena is an ordinary young woman, until an act of defiance leaves her scarred and marked as a rebel. She's sold to Ero, a fallen Krey with a desperate plan to redeem his once-powerful family. He intends to enhance slaves by altering their genetic code, increasing their value through an illegal experiment.

Ambassador Spock travels back in time to subtly warn Earth's inhabitants of impending doom while calling into question humanity's priorities. However, before the truth is told, the all-powerful being, Q, appears and reminds Spock that he is prohibited from interfering in Earth's history. Besides, Q doesn't see mankind as something worth saving.

Padawan Iskat Akaris has dedicated her life to traveling the galaxy alongside her master, learning the ways of the Force to become a good Jedi. Despite Iskat’s dedication, peace and control have remained elusive, and with each setback, she feels her fellow Jedi grow more distrustful of her. Already uncertain about her future in the Jedi Order, Iskat faces tragedy when her master is killed and the Clone Wars engulf the galaxy in chaos.

Wildcat colonies are illegal, unauthorized, and secret - so when an injured stranger shows up at the wildcat colony New Seattle, the colony leaders are understandably suspicious of who he is and what he represents. His story of how he’s come to their colony is shocking, surprising, and might have bigger consequences than anyone could have expected. Walk the Plank is a tale from John Scalzi's The Human Division, a series of self-contained but interrelated short stories.