Space Opera Science Fiction

Captain Quasar is out of time. Pursued by vengeful Goobalob toll collectors, savage Arachnoid bounty hunters, and formidable Amazonians, Captain Bartholomew Quasar must do whatever he can to keep the crew of the Effervescent Magnitude out of harm's way. All in a day's work - except time is not on his side. Torn from the present to relive his past, he vows to keep mistakes from occurring the second time around. But is he doomed to repeat history? Or can he erase his regrets?

An elite team of SAS special operators battle across the multiverse after a plague of land-hungry sentient robots invade today’s Earth. But, when an aircraft carrier-based counterattack goes horribly wrong, it traps the team in an alien universe with a top-secret group who’ve already saved the world twice. After discovering a dark plot that threatens humanity’s very existence, the two groups jump into action, fighting both on the surface and in orbit in a last-ditch effort to stop the enemy before time runs out.

Late in the 21st century, Earth receives what looks like an urgent plea for help from planet Proxima Centauri b in the closest star system to the Sun. Astrophysicists suspect a massive solar flare is about to destroy this heretofore-unknown civilization. Earth's space programs are unequipped to help, but an unscrupulous Russian billionaire launches a secret and highly-specialized spaceship to Proxima b, over four light-years away.

Captain Cherry Pendit is a very improper oracle. A proper seer warns the hero, then retires to the luxury of her temple while the hero saves the day. Pfft. Boring. Cherry doesn't need a hero to defy fate. In fact, she intends to rescue the hero. There might be a few bumps along the way—like an entire alien species her oracular talent didn't warn her about—but Captain Cherry Pendit of the Delphic Dame is prepared to adapt and overcome. If only the pirates, the good guys—who might be bad guys—and her allies would just stop freaking interfering by pushing their own stupid agendas.

The first interstellar war, a generation ago, left humanity enslaved. Now humans fight in the armies of their masters to save themselves from annihilation. At least, that's what the propaganda insists is true. What the layers of lies keep hidden is how badly the new war is going for the people of earth. Now it's Dylan Kane's turn to blast into the heavens and join the battle, but what his masters don't know is that by putting a weapon in his hands, they're giving him the key to unlocking his hopes of freedom.

Fleet of Worlds takes a closer look at Human-Puppeteer (Citizen) relations and the events leading up to Niven's first Ringworld novel. Kirsten Quinn-Kovacks is among the best and brightest of her people. She gratefully serves the gentle race that rescued her ancestors from a dying starship, gave them a world, and nurtures them still. If only the Citizens knew where Kirsten's people came from.

After decades of scraping by with whatever work the galaxy offers, Crix Nakato finally has his own ship—a temperamental ex-courier vessel with one dead engine and enough quirks to match its world-weary new owner. When a routine delivery leads him to a derelict ship harboring the sole survivor of a family massacre, Crix faces a choice that will challenge everything he thought he wanted. With a nine-year-old stowaway now aboard his ship and dangerous cargo in his hold, Crix navigates the murky waters between profit and conscience as Izzy Garcia's irrepressible spirit begins to thaw his ...

A cease-fire that has lasted seven years... Worlds half-destroyed that have been rebuilt anew... Friends and crewmates scattered light-years apart... New leaders that would be kings... The Jung threat has been renewed, in ways not imagined. It will take a new savior to inspire the masses, and once again lead those willing to fight against oppression. But who will the new savior be?

AD 3580. The Intersolar Commonwealth has spread through the galaxy to over a thousand star systems. It is a culture of rich diversity with a place for everyone. A powerful navy protects it from any hostile species that may lurk among the stars. For Commonwealth citizens, even death has been overcome.

Daniel Clay fought across the galaxy as a corporate soldier. He left the violence behind for a life of science, raising a family far from the bloodshed of the Corporation. With his wife, Sarah, and son, Michael, he studied the alien Tyr for years, hidden among their complex societies. Their mission should have ended with the arrival of a replacement team. Instead, the Clays’ corporate overlords choose a death sentence: an invasion fleet to conquer the Tyr.

For millennia, the planet Harmony has been protected by the Oversoul, an artificial intelligence programmed to prevent thoughts of war and conquest from threatening the fragile remnant of Earth's peoples. But as the Oversoul's systems have begun to fail, a great warrior has arisen to challenge its bans.

When Thomas heard the cries for help, he didn’t hesitate to do the right thing. It was his chance for redemption. Until everything went wrong. The cave should have been deserted. The perfect place to hide. Instead, it’s crawling with soldiers and engineers working to unearth the impossible: Excalibur.

Ruthless bankers are breathing down their necks, vengeful warlords are promising to pursue them across the galaxy, and now a mysterious new client wants Rade and his Argonauts to escort her to a frontier planet. Problem is, the new client won't reveal her cargo. It's probably something illegal. Well, Rade needs the money, so a man's gotta do what a man's gotta do. They arrive to find the frontier colony strangely deserted. When the shit hits the fan and the Argonauts face a possible alien infestation, it's time to pull out the big guns.

The starship Earthling, filled with thousands of hibernating colonists en route to a new world at Tau Ceti, is stranded beyond the solar system when the ship's three organic mental cores—disembodied human brains that control the vessel's functions—go insane. The emergency skeleton crew sees only one chance for survival: build an artificial consciousness in the Earthling's primary computer that can guide them to their destination—and hope it doesn't destroy the human race.

At a time when Humans were just starting to venture forth into the Galactic Union as mercenaries, Martin Quincy survived long enough to do something no one else had - he retired. There was only one problem: He got bored. After battling aliens for many years - killing aliens and getting paid - retirement didn’t suit him, and he decided to strap on the combat armor and go back to the stars. Along with his old friend Kal, Martin joined Cartwright’s Cavaliers, humanity’s best merc company. Life was exciting! But he got bored. Again.

The first of the acclaimed Vatta's War books, the exciting military science fiction series that features a swashbuckling spaceship-captain heroine who mixes commerce with combat.

This audiobook box set collects the first three installments of John Hindmarsh's epic Jack Foster Space Opera series: Violent Graduation, Rescue the Princess, and Jack's Planet. Join Jack and his team—ever increasing—in their epic adventures.

With the continuing failure of the Oversoul, the artificially intelligent guardian computer of the planet Harmony, the human colonists have begun to repeat the devastations of war and conquest wrought on Earth. To repair itself and avert disaster, the Oversoul has called a group of 16 refugees from the fallen city of Basilica to a hidden, abandoned spaceport where the ancient starships lie.

Covert agent Sigmund Ausfaller is Earth's secret weapon, humanity's best defense against all conspiracies, real and imaginary, and all foes both human and alien. Who better than a brilliant paranoid to expose the devious plots of others?

But Sigmund may finally have met his match in Nessus, representative of the secretive Puppeteers, the elder race who wield vastly superior technologies.

On the planet of Per Ardua, alien artifacts were discovered - hatches that allowed humans to step across light-years of space as if they were stepping into another room. But this newfound freedom has consequences. As humanity discovers the real nature of the universe, a terrifying truth comes to light: We all have countless pasts converging in this present - and our future is terrifyingly finite. There are minds in the universe that are billions of years old, and now we are vulnerable to their plans for us.