Adventure Space Opera

Hugo Award winner Harry Turtledove is the master of alternate history. In American Front he envisions World War I as it may have been if fought on American soil. The United States and Germany clash with the Confederacy, France, and Britain as the machines of modern warfare litter the landscape with carnage. Meanwhile, oppressed southern blacks head toward a fateful confrontation.

Future imperfect: Three years after her famous husband's death, Cordelia Vorkosigan, widowed vicereine of Sergyar, stands ready to spin her life in a new direction. Oliver Jole, admiral, Sergyar Fleet, finds himself caught up in her web of plans in ways he'd never imagined, bringing him to an unexpected crossroads in his life. Meanwhile, Miles Vorkosigan, one of Emperor Gregor's key investigators, this time dispatches himself on a mission of inquiry into a mystery he never anticipated - his own mother.

The planet Korwar was a glittering jewel of a world, inhabited by the galaxy's wealthiest, visited by the upper classes of other worlds in search of diversion. The jewel had a flaw: the Dipple, its name coming from a contraction of "displaced person", where the misfits, the hopeless, the penniless eke out a wretched existence on the dole. Two young men hoped to escape from the Dipple.

Persecuted refugees from six separate alien races have migrated to the idyllic planet Jijo. And despite their incredible diversity, the inhabitants live together in blissful harmony. However, settlement on Jijo is illegal - and it's only a matter of time before the residents of this forbidden paradise are discovered by the galactic powers-that-be.

Dr. Beth Parker is a space archaeologist, documenting the history of planetary expansion and colonization for Kalok Enterprises and the Interplanetary Mining Guild. A piece of alien technology embeds itself in Beth's arm, giving her the ability to see the energy impressions of long-ago people and events. When Beth uncovers proof of genocide that could bring down the big mining companies, she's the target of assassins. Wyatt makes a split-second decision to intervene, launching them both into a high-stakes cat-and-mouse game with some of the most powerful organizations in the system.

Gunnery Sergeant Torin Kerr was a Confederation Marine's marine. She'd survived more deadly encounters---and kept more of her officers and enlistees alive---than anyone in the Corps, and she was determined to keep that record intact. But since her last mission, she'd been sidelined into endless briefings and debriefings with no end in sight. So, of course, she'd jumped at the chance to go to Crucible---the Marine Corps training planet---as a temporary aide to Major Svensson.

The Carryx—part empire, part hive—has waged wars of conquest for centuries, destroying or enslaving species across the galaxy in its conflict with an ancient and deathless enemy. When they descend on the isolated world of Anjiin, the human population is abased, slaughtered, and put in chains. The best and brightest are abducted, taken to the Carryx world-palace to join prisoners from a thousand other species. Dafyd Alkhor, assistant to a prestigious scientist, is captured along with his team.

The US has abandoned its quest for the stars, and an old enemy has moved in to fill the void. The potential wealth of the universe is now in malevolent hands. Rebel billionaire Dan Randolph - possessor of the largest privately owned company in space - intends to weaken the stranglehold the new despotic masters of the solar system have on the lucrative ore industry. But when the mineral-rich asteroid he sets in orbit around the Earth is commandeered by the enemy, and his unarmed workers are slaughtered in cold blood, the course of Randolph’s life is changed forever.

At long last, an extraterrestrial civilization reached out and made the First Contact. However, no one on Earth took their communique for the genuine article. In a similar vein, very few people appreciated just how little time our new suzerains had promised to keep our planet safe. Regardless, the end of their message showed humankind how to access a mysterious game. The objective of this game is unclear. No one can say where its servers are located, and its inner workings are beyond comprehension.

The Principal Investigator of the Chaalt people has covertly enlisted the aid of Nathan Myers and the crew of the Legacy. They desperately need help gaining access to their secret Prule research station. The facility has gone dark, and the automated defenses activated. Even the Chaalt's own advanced warships were not able to breach the shield dome and disable the cutting edge weaponry that protects the base. Nathan and his crew are in a race against time, because they believe a Prule Hivemind they once captured, now controls the facility.

A wave of death is spreading through the Milky Way galaxy, an expanding sphere of lethal gamma radiation that erupted from the galaxy's core 28,000 years ago. Every world it touched was wiped clean of all life. But it's possible to protect a planet from gamma radiation. Now, guided by the ancient intelligent machines called the Predecessors, men and women from Earth seek out those precious, rare worlds that harbor intelligent species, determined to save them.

Lieutenant Becky Keller’s brain is fitted with a processing core which can outthink and outfly the most advanced battle computers in the Space Corps. Joe Nation is packed with so many augmentations, he can’t remember which parts of his body are real anymore. All he knows is covert ops, and there’s no one better than Nation. The pair of them are given a mission - infiltrate the Isob-2 processing facility of a semi-hostile alien species known as Estral and find out if they’re breaking the terms of a peace treaty.

A world recovering from a devastating plague. A brutal enemy threatening invasion. A young man seeking to escape the shadow of his father. A ship manned by a crew of fresh academy graduates. A top-secret experimental propulsion system. A questionable alliance with a mysterious green-eyed woman. What destiny has in store for the crew of the UES Aurora is far greater than any of them could ever imagine. And this is only the beginning....

Fate had made Owen Deathstalker a rebel hero in an empire choked by tyranny. Embracing his warrior lineage for the sake of freedom, he stoked the flames of revolution, gathering the forces that one day must strike against Imperial authority. That day has come. With his valiant compatriots Hazel d'Ark and Jack Random, Owen must now bring the uprising to a fiery conclusion.

Gunnery Sergeant Torin Kerr is a Confederation Marine's marine. She has survived more deadly encounters---and kept more of her officers and enlistees alive---than anyone else in the Corps. Unexpectedly pulled from battle, Torin finds herself in an underground POW camp that shouldn't exist, where her fellow marine prisoners seem to have lost all will to escape.

A Princess of Mars was the first book by Edgar Rice Burroughs to feature the character John Carter. It led to an 11-book series featuring his adventures and became the basis for the 2012 movie. Carter is a war-weary former military captain during the Civil War who is inexplicably transported to Mars. He quickly (and reluctantly) becomes embroiled in a conflict of epic proportions among the inhabitants of the planet.

Colonel Joe Bishop made a promise and he's going to keep it; taking the captured alien starship Flying Dutchman back out. He doesn't agree when the UN decides to send almost 70 elite Special Operations troops, hotshot pilots, and scientists with him; the mission is a fool's errand he doesn't expect to ever return from. At least, this time, the Earth is safe, right? Not so much.

An attitude? Why not? After all, what would you do if you were abducted by aliens and transported into a strange new universe away from your home, your family - everything familiar to you? Would it make you happy? Not likely! Now imagine you're stronger, faster, and more coordinated than every alien species you encounter. Would you start kicking some ass? Of course you would! This is the story of human superiority in the galaxy, a gritty, realistic profile of a young Navy SEAL who doesn't like aliens very much - and he makes them pay for the bad mood he's in.

A cold war between the American-led Alliance and the Domination, rivals in the Draka conquest, erupts in a space confrontation that will decide the freedom or slavery of humankind.

A new ally providing aid... An old ally joining the fight... Their resources growing with each passing day... Their homeworld finally on the road to recovery... Things finally seem to be coming together for Captain Scott and the Alliance as he takes his forces on the offensive. However, the Jung may in turn give him more trouble than he bargained for.