Adventure Space Opera

The Custodian Guard have stood watch over the Emperor's Palace on Terra since the foundation of the Imperium. Charged with protecting the Master of Mankind from all threats, within and without, their fearsome resolve is renowned throughout the galaxy, and their golden armour is the last thing that a would-be assassin or saboteur will ever see.

Harrowhark Nonagesimus, last necromancer of the Ninth House, has been drafted by her emperor to fight an unwinnable war. Side-by-side with a detested rival, Harrow must perfect her skills and become an angel of undeath - but her health is failing, her sword makes her nauseous, and even her mind is threatening to betray her.

Here, Simmons returns to this richly imagined world of technological achievement, excitement, wonder and fear. Endymion is a story about love and memory, triumph and terror - an instant candidate for the field's highest honors.

Science fiction at its sense-of-wonder best. A wild chase through the billion worlds of the Tenth Millennium in search of a mythical weapon that could save civilization—or doom it!

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.

Robust, peaceful, and confident, the Commonwealth dispatched a ship to investigate the mystery of a disappearing star, only to inadvertently unleash a predatory alien species that turned on its liberators, striking hard, fast, and utterly without mercy.The Prime are the Commonwealth's worst nightmare. Coexistence is impossible with the technologically advanced aliens, who are genetically hardwired to exterminate all other forms of life.

The year is 2380. The Intersolar Commonwealth, a sphere of stars some 400 light-years in diameter, contains more than 600 worlds, interconnected by a web of transport "tunnels" known as wormholes. At the farthest edge of the Commonwealth, astronomer Dudley Bose observes the impossible: Over 1,000 light-years away, a star...vanishes. It does not go supernova. It does not collapse into a black hole. It simply disappears.

It is the Dark Age—3139—and the famed mercenary regiments of Wolf's Dragoons have returned to the employ of House Kurita after a century of bitter enmity. Somehow, mercenaries and Kuritans must find a way to work together in a combined invasion of the Dragon’s oldest enemy, House Davion. Thrust into the middle of this new conflict, Colonel Henry Kincaid is surprised by the commonalities—duty, honor, expediency—the Wolves and Combine forces share.

A great darkness has befallen the galaxy, and the armies of Chaos are rampant. To survive, humanity must retaliate and take back what they have lost. By the will of the reborn primarch, Roboute Guilliman, is the Indomitus Crusade launched - a military undertaking that eclipses all others in known history. From the Throneworld of Terra does the Avenging Son hurl his fleets, their mission the very salvation of mankind.

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.

Thirteen hundred gates have opened to solar systems around the galaxy. But as humanity builds its interstellar empire in the alien ruins, the mysteries and threats grow deeper. In the dead systems where gates lead to stranger things than alien planets, Elvi Okoye begins a desperate search to discover the nature of a genocide that happened before the first human beings existed and to find weapons to fight a war against forces at the edge of the imaginable. But the price of that knowledge may be higher than she can pay.

With over 10 million copies sold, The Expanse has become one of the biggest science fiction phenomenons of the decade. The sixth book in the New York Times bestselling Expanse series, Babylon's Ashes has the galaxy in full revolution and it's up to the crew of the Rocinante to make a desperate...

Private first-class Wayson Harris was raised in a U.A. orphanage among thousands of clones born and bred as the ultimate soldiers. But Harris isn't like the other Marines: He has a mind of his own. He figures he's paying for that independent streak when his first assignment out of boot camp is the smallest Marine outpost in the whole U.A. When a rogue general surfaces, the remote desert world Harris thought was a dead-end posting becomes anything but. Fighting off the general's raid gains Harris a promotion. But it also brings him to the attention of some unfriendly U.A. leaders.

Liam Saunders-Chang is one of the last humans left on Mars. The son of two scientists who have been racing against time to create technology vital to humanity's survival, Liam, along with his friend Phoebe, will be on the last starliner to depart before Mars, like Earth before it, is destroyed. Or so he thinks. Because before this day is over, Liam and Phoebe will make a series of profound discoveries about the nature of time and space and find out that the human race is just one of many in our universe locked in a dangerous struggle for survival.

Rory Thorne is a princess with 13 fairy blessings, the most important of which is to see through flattery and platitudes. As the eldest daughter, she always imagined she'd inherit her father's throne and govern the interplanetary Thorne Consortium. Then, her father is assassinated, her mother gives birth to a son, and Rory is betrothed to the prince of a distant world. When Rory arrives in her new home, she uncovers a treacherous plot to unseat her newly betrothed and usurp his throne.

Crispin Marlowe grew up in his brother’s shadow, but Hadrian is gone, and his grandmother - the Duchess of Delos - is dying. Answering her summons, Crispin takes off on what should be a routine flight to the ducal palace from the castle at Devil’s Rest. But he is flying into a trap. There are whispers of treachery among the duchess’s many daughters, rumors of hidden knives in the planet’s court...if he can even make it there.

The Cadian Gate is broken, and the Imperium is riven in two. The might of the Traitor Legions, kept shackled for millennia behind walls of iron and sorcery, has been unleashed on a darkening galaxy. Among those seeking vengeance on the Corpse Emperor’s faltering realm are the Death Guard, once proud crusaders of the Legiones Astartes, now debased creatures of terror and contagion.

The lines. No ship can traverse the void without them. Only linesmen can work with them. But only Ean Lambert hears their song. And everyone thinks he's crazy.... Most slum kids never go far, certainly not becoming a level 10 linesman like Ean. Even if he's part of a small and unethical cartel, and the other linesmen disdain his self-taught methods, he's certified and working. Then a mysterious alien ship is discovered at the edges of the galaxy.

From a New York Times bestselling and Hugo award-winning author comes a modern masterwork of science fiction, introducing a captain, his crew, and a detective as they unravel a horrifying solar system wide conspiracy that begins with a single missing girl. Now a Prime Original series. Humanity...

If it is possible to conquer space, then perhaps it is also possible to conquer time. At least that was the theory American scientists were exploring in an effort to explain the new sources of knowledge the Russians possessed. Perhaps Russian scientists had discovered how to transport themselves back in time in order to learn long-forgotten secrets of the past.