In an alternate 19th century, young Samuel Clemens sets out for the mining camps of America’s wildest frontier: the moon. Travel with Sam and his partner Calvin as they venture into the desolate, deadly wastes of the Mare Imbrium and the Montes Caucasus in search of wonders, adventure, and a fortune in precious water ice. This is Prospectors!, the opening salvo in the epic saga of Mark Twain on the Moon, as told by the alternate Mark Twain himself.

2057. Humanity has raised exploiting the solar system to an art form. Bella Lind and the crew of her nuclear-powered ship, the Rockhopper, push ice. They mine comets. And they're good at it. The Rockhopper is nearing the end of its current mission cycle, and everyone is desperate for some much-needed R & R, when startling news arrives from Saturn: Janus, one of Saturn's ice moons, has inexplicably left its natural orbit and is now heading out of the solar system at high speed.

Six million years ago, at the very dawn of the starfaring era, Abigail Gentian fractured herself into a thousand male and female clones: the shatterlings. Sent out into the galaxy, these shatterlings have stood aloof as they document the rise and fall of countless human empires. They meet every 200,000 years to exchange news and memories of their travels with their siblings.

Fraa Erasmus is a young avout living in the Concent of Saunt Edhar, a sanctuary for mathematicians, scientists, and philosophers, protected from the corrupting influences of the "Saecular" world by ancient stone, honored traditions, and complex rituals. Over the centuries, cities, and governments have risen and fallen beyond the concent's walls. Three times during history's darkest epochs, bloody violence born of superstition and ignorance has invaded and devastated the cloistered mathic community.

For centuries, mankind has searched for nonhuman civilizations in the cosmos. These lost alien societies have finally been discovered—but they were destroyed long ago. Devin Starn starts off as a lowly rock rat aboard Borag, a mining ship working the dangerous end of the asteroid belt. Slowly, he gains prestige and purpose. When an alien base is uncovered, however, he must risk everything to protect his ship and her crew. What wiped out all the civilizations that came before humanity?

Two decades ago, Jedi clans clashed in service to feuding lords. Sickened by this endless cycle, a sect of Jedi rebelled, seeking to control their own destiny and claim power in service of no master. They called themselves Sith. The Sith rebellion failed, succumbing to infighting and betrayal, and the once rival lords unified to create an Empire...but even an Empire at peace is not free from violence.

The Stars Are Ours: Dard Nordis is a hunted man. His brother was murdered for covert activities as a scientist in a world in which scientists and engineers are blamed for the global war that smashed civilization. Star Born: Centuries after the desperate flight from Earth, Pax has been overthrown and humanity again reaches for the stars. Rof Kurbi's spaceship reaches the planet Astra, but he and the crew do not know that the planet already has a colony established centuries ago.

Murdoc Jern's father, an interstellar gem trader, was murdered by outlaw competitors and left behind an odd ring, large enough to fit over the finger of a space suit. With his companion Eet, a strange feline mutant with phenomenal mental powers, he soon discovered that the stone in the ring was actually a Zero Stone - an alien device left behind by an ancient vanished race - and it was the key to powers beyond human imagination. Murdoc and Eet had to solve the secret of the Zero Stone, and very quickly, because very greedy and dangerous people wanted that ring.

Amber Houston was born light-years away from Earth aboard the enormous colony starship Dandelion. By the age of 14, she has spent her entire life training as a Ranger, ready for the day when she will be among the first humans ever to set foot on an alien world and build a new civilization. When Dandelion suffers an emergency toward the end of its journey, Amber and her fellow young rangers are evacuated and land on the planet Newhome years ahead of schedule.

After the fall of the American Ayatollahs (as foretold in Stranger in a Strange Land) there is a Second American Revolution; for the first time in human history there is a land with Liberty and Justice for All.

Time is running out for the passengers and crew of the tourist cruiser Selene, incarcerated in a sea of choking lunar dust. On the surface, her rescuers find their resources stretched to the limit by the mercilessly unpredictable conditions of a totally alien environment. A brilliantly imagined story of human ingenuity and survival, A Fall of Moondust is a tour-de-force of psychological suspense and sustained dramatic tension by the field's foremost author.

The Battle of Serenity Valley was the turning point that led the Independents to their defeat at the hands of the Alliance. Yet the Browncoats had held the valley for weeks against all odds, before being ordered to lay down their arms. Command stated they refused to send in airpower because the ground war was "too hot". But the soldiers who were there insist that was not true.... While picking up a new cargo on Persephone, Captain Malcolm Reynolds is kidnapped by a bunch of embittered veteran Browncoats who suspect him of sabotaging the Independents during the war.

For four millennia, the 16 planets of the Imperium sector have served as a bastion of peace against the Chaosic Regions. The Imperium's legacy can be attributed to the formidable military power of the Stratus, the enforcers of the Supreme and the Senate. However, as is often the case with empires, it is the smallest cracks that threaten to shatter their foundations. Could this be the beginning of the end?

Necroscope®: The Last of the Lost Years, Volume 1, the 19th in Brian Lumley's Necroscope® series, contains two short novels, one long novella, and one short story. Each of these feature the Necroscope, Harry Keogh, during this final period of his life known as “The Lost Years”. Stories included in this collection: In Dublin's Fair City, Dinosaur Dreams, The Plague-Bearer, and Harry and the Pirates.

Herself a biologist, Julie E. Czerneda has earned a reputation in science fiction circles for her ability to create beautifully crafted, imaginative, yet believably realized alien races. In Survival, the first novel in her new series, Species Imperative, she draws upon this talent to build races, characters, and a universe which will draw listeners into a magnificent tale of interstellar intrigue, as an Earth scientist is caught up in a terrifying interspecies conflict.

After the fall of the American Ayatollahs (as foretold in Stranger in a Strange Land) there is a Second American Revolution; for the first time in human history there is a land with Liberty and Justice for All.

Charged with gross incompetence, Satan is fired from his job as prince of Hell and exiled to that most terrible of places: English suburbia. Forced to live as a human under the name of Jeremy Clovenhoof, the dark lord not only has to contend with the fact that no one recognizes him or gives him the credit he deserves but also has to put up with the bookish war-gamer next door and the voracious man-eater upstairs.

Herself a biologist, Julie E. Czerneda has earned a reputation in science fiction circles for her ability to create beautifully crafted, imaginative, yet believably realized alien races. In Survival, the first novel in her new series, Species Imperative, she draws upon this talent to build races, characters, and a universe which will draw listeners into a magnificent tale of interstellar intrigue, as an Earth scientist is caught up in a terrifying interspecies conflict.

A world with no hunger, no disease, no war, no misery: Humanity has conquered all those things and has even conquered death. Now Scythes are the only ones who can end life - and they are commanded to do so in order to keep the size of the population under control. Citra and Rowan are chosen to apprentice to a scythe - a role that neither wants. These teens must master the "art" of taking life, knowing that the consequence of failure could mean losing their own.

Fans of Douglas Adams' Hitchhiker's Guide to the Galaxy and Good Omens - your wait is over! The next ridiculous sci-fi fantasy series from a snarky British guy is here! And now you can experience the complete Doomsayer Journeys Trilogy in one volume!

Robot believers at the far end of the galaxy endeavor to create a true religion, but their efforts could be shattered by a shocking revelation. Far in the future, on the remote planet End of Nothing, sentient robots are engaged in a remarkable enterprise. They call their project Vatican-17: an endeavor to create a truly universal religion presided over by a pope, whose extreme godliness and infallible artificial intelligence are fed by telepathic human Listeners who psychically delve into the mysteries of the universe.

When the leader of the ruthless Technic League calls in a favor, the mild-mannered alchemist Alaeron has no choice but to face a life he thought he'd left behind long ago. Accompanied by his only friend, a street-savvy thief named Skiver, Alaeron must head north into Numeria, a land where brilliant and evil arcanists rule over the local barbarian tribes with technology looted from a crashed spaceship.

Jodi Taylor reads the long-awaited prequel in her Chronicles of St Mary’s series, as Dr Bairstow struggles to set up St Mary’s as we know it in a world still scarred by the ravages of civil war. Ever wondered how it all began? It’s two years since the final victory at the Battersea Barricades. The fighting might be finished, but for Dr Bairstow, just now setting up St Mary's, the struggle is only beginning. How will he assemble his team? From where will his funding come?

Generations of twin goddesses have long ruled Aeon - until one sister’s betrayal split their world in two. A Great Abyss now divides two realms: one cloaked in eternal night, the other scorched beneath an ever-burning sun. While one sister rules the frozen fortress of Aranth, her twin rules the sand-locked Golden City - each with a daughter by their side. Now those young goddesses must set out on separate, equally dangerous journeys in hopes of healing their broken world. No matter the sacrifice it demands.

Humans call them Monument-Makers. An unknown race, they left stunning alien statues scattered on distant planets throughout the galaxy, encoded with strange inscriptions that defy translation. Searching for clues about the Monument-Makers, teams of 23rd century linguists, historians, engineers and archaeologists have been excavating the enigmatic alien ruins on a number of planets, uncovering strange, massive false cities made of solid rock. But their time is running out.

NASA finally made it. The very first human has just set foot on the surface of our neighbor planet. This is the start of a long research expedition that sent four scientists into space. But the four astronauts of the NASA crew are not the only ones with this destination. The privately financed "Mars for Everyone" initiative has also targeted the Red Planet. Twenty men and women have been selected to live there and establish the first extraterrestrial settlement.

When prospector Bob Broadhead went out to Gateway on the Heechee spacecraft, he decided he would know which was the right mission to make him his fortune. Three missions later, now famous and permanently rich, Robinette Broadhead has to face what happened to him and what he is...in a journey into himself as perilous and even more horrifying than the nightmare trip through the interstellar void that he drove himself to take!

Two hundred years after the Forbidding was broken, Santhenar is locked in war with the lyrinx - intelligent, winged predators who will do anything to gain their own world. Despite the development of battle clankers and mastery of the crystals that power them, humanity is losing. Tiaan, a lonely crystal worker in a clanker manufactory, is experimenting with an entirely new kind of crystal when she begins to have extraordinary visions.

Beyond the Aquila Rift: It's shorthand for the trip no one ever hopes to make by accident. The one that will screw up the rest of your life, the one that creates the ghosts you see haunting the shadows of company bars across the whole Bubble. Men and women ripped out of time, cut adrift from families and lovers by an accident of an alien technology we use but rarely comprehend.

Best-selling science fiction superstars Larry Niven and Jerry Pournelle combine their talents with those of Steven Barnes in an extraordinary adventure of humankind’s first outpost in the farthest reaches of space. Light years from Earth, colonists land on a planet they name Avalon. It seems like a paradise—until native creatures savagely attack. It will take every bit of intelligence, courage, and military-style discipline to survive.