Hard Science Fiction 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.

Tanis and Sera have taken the I2 to Khardine, the new capital of the Transcend, and must now travel to the Inner Stars and meet with Scipian Empress, Diana - who they hope will be an ally to the Transcend. With the Trisilieds Kingdom, the Hegemony of Worlds, and the Nietzschean Empire all aligned with the Orion Guard - not to mention a civil war brewing in the Transcend - they will need all the help they can get to secure the Inner Stars. But Empress Diana has her own plans for the Inner Stars, and while they may dovetail with the Transcend's for now, they may not always do so....

Although the exciting military career she hoped for never got off the ground, Ky Vatta ended up seeing plenty of combat when she took the helm of one of the commercial transport vessels in her family's fleet...and steered it into a full-blown war. Now the lessons she learned in that trial by fire are about to pay off---because this time, the war has come to her. Someone has launched a full-throttle offensive against Vatta Transport Ltd., Ky's father's interstellar shipping empire.

Donovan is a world of remarkable wealth that comes at a high price. When Supervisor Kalico Aguila's ship arrives, she discovers a failing colony, its government overthrown, the few remaining colonists gone wild. Donovan could make her career - or kill her. Planetside, Talina Perez is one of three rulers of the Port Authority colony - the only law in the one remaining town. With the Corporate ship demanding answers about the things she's done, Perez could lose everything, including her life. For Dan Wirth, Donovan is a last chance. A psychopath with a death sentence looming over his head, he will make a desperate play for power. No matter who he has to corrupt, murder, or destroy. Captain Max Taggart is the Corporation's enforcer. But is it too late to seize control of Donovan?

Revenger is a rocket-fueled tale of space pirates, buried treasure, and phantom weapons, of unspeakable hazards and single-minded heroism...and of vengeance...Adrana and Fura Ness are the newest crew members of the legendary Captain Rackamore's ship, using their mysterious powers as Bone Readers to find clues about their next score. But there might be more waiting for them in space than adventure and fortune: The fabled and feared Bosa Sennen, in particular. The galaxy is filled with treasures...if you have the courage to find them.

The Overlords appeared suddenly over every city - intellectually, technologically, and militarily superior to humankind. Benevolent, they made few demands: unify earth, eliminate poverty, and end war. With little rebellion, humankind agreed, and a golden age began.

A collection of 20 classic short stories by Isaac Asimov, author of the Foundation series, featuring the definitive and only in-print version of “Nightfall”.

It is the year 12,020 GE and Emperor Cleon I sits uneasily on the Imperial throne of Trantor. Here in the great multidomed capital of the Galactic Empire, 40 billion people have created a civilization of unimaginable technological and cultural complexity. Yet Cleon knows there are those who would see him fall - those whom he would destroy if only he could read the future.

Sera must return to Khardine, where new challenges await, and preprations for the march on Airtha begin. Meanwhile Tanis turns toward the Praesepe Cluster. There, a handfull of interstellar nations hold out against the encroaching Nietzschean Empire. Sera's Hand agents are certain that the Nietzscheans are backed by Orion, and Nadine is sent in ahead to connect with agents in Septhia before the I2 arrives.

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?

When Streaker - the first starship designed and crewed by dolphins - discovers a derelict ancient armada with evidence of the first sentient species ever, she sets off a war between dozens of galactic races eager to use the information for their own advancement.

At last, the costly and bitter war between the two Foundations has come to an end. Now two exiled citizens of the Foundation - a renegade Councilman and a doddering historian - set out in search of the mythical planet Earth. Meanwhile, someone - or something - outside of both Foundations seems to be orchestrating events to suit its own ominous purpose.

To win an impossible war, Captain Kel Cheris must awaken an ancient weapon and a despised traitor general.

Captain Kel Cheris of the Hexarchate is disgraced for using unconventional methods in a battle against heretics. Kel Command gives her the opportunity to redeem herself by retaking the Fortress of Scattered Needles, a star fortress that has recently been captured by heretics. Cheris' career isn't the only thing at stake. If the fortress falls, the Hexarchate itself might be next.

Fifty-six hard years after the events of The Machine Crusade, after the death of Serena Butler, the bloodiest decades of the Jihad take place. The human worlds begin to hope that the end of the centuries-long conflict with the thinking machines is finally in sight.

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.

Hadrian Marlowe is trapped. For nearly a century, he has been a guest of the Emperor, forced into the role of advisor, a prisoner of his own legend. But the war is changing. Mankind is losing. The Cielcin are spilling into human space from the fringes, picking their targets with cunning precision. The Great Prince Syriani Dorayaica is uniting their clans, forging them into an army and threat the likes of which mankind has never seen.

The galaxy is burning. With the Cielcin united under one banner, the Sollan Empire stands alone after the betrayal of the Commonwealth. The Prophet-King of the Cielcin has sent its armies to burn the worlds of men, and worse, there are rumors … whispers that Hadrian Marlowe is dead, killed in the fighting. But it is not so. Hadrian survived with the help of the witch, Valka, and together they escaped the net of the enemy having learned a terrible truth: the gods that the Cielcin worship are real and will not rest until the universe is dark and cold.

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....

As Hari Seldon struggles to perfect his revolutionary theory of psychohistory and ensure a place for humanity among the stars, the great Galactic Empire totters on the brink of apocalyptic collapse. Caught in the maelstrom are Seldon and all he holds dear, pawns in the struggle for dominance. Whoever can control Seldon will control psychohistory - and with it the future of the galaxy.

It's 2040. After decades of research, scientists of the European Union believe that they have at last conquered humankind's most pernicious foe: old age. For the first time, technology holds out the promise of not merely slowing the aging process but actually reversing it. The first subject for treatment is 78-year-old philanthropist Jeff Baker. After 18 months in a rejuvenation tank, Jeff emerges looking like a 20-year-old. And the change is more than skin deep. From his hair cells down to his DNA, Jeff is 20 - with a breadth of life experience.