Space Science

Ava has always been different. She lives a very isolated life until she is offered a job with an obscure network that aids powerful Immortal Guardians in their quest to protect humanity from the psychotic vampires who prey upon them. Life is good. And when her employers invite her to join a group of other gifted ones and a handful of Immortal Guardians on a journey to another planet, it becomes absolutely fantastic.

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.

Keri highly recommends alien abduction to ward off a mid-life crisis! Earth-woman Keri has chosen a new path - interstellar love machine! After discovering that Earth women are prized across the universe, she consents to being abduc. She can now make her way across the galaxy, sampling all the exotic beings she comes across! Unfortunately, she failed to read the fine print of her agreement! Now she is little more than a concubine, and just one of many consorts of the Archon of Thrax! She's still determined to make her mark and is willing to go to great lengths to be first among his women! ...

Robin can't believe her eyes when she wakes up on board an alien research station. Her hosts wanted a plaything for Egon, the 400 year-old Viking with less-than-modern ideas about men and women. Robin thwarts their plans, but when she finds herself at the warrior's mercy, will she submit to her hidden desires?

How do you improve on the best guide for pilots to learn how to fly in all kinds of weather? The answer is the fifth edition of Weather Flying. Regarded as the bible of weather flying, this aviation classic not only continues to make complex weather concepts understandable for even the least experienced of flyers, but has now been updated to cover new advances in technology. At the same time, this respected text still retains many of its original insights from over four decades of publication, provided by renowned weather flying veteran Robert N. Buck.

Kay’s life is pretty boring. She goes to school, spends quiet evenings at home with her foster mom, and has the occasional brush with mischief thanks to her best and only friend Will. But everything is about to change. One night, Kay tags along on another one of Will’s adventures, and they both end up recruited by a talking fox to become Netherjacks, protectors of all the worlds. Once they arrive at the training academy, though, Will is paired with a legendary Netherwing mount and quickly rises in the trainee ranks, leaving Kay behind with barely a glance.

Twelve years on the prison planet Erebus makes a man long for death. The worst part for Tannin Everette is that he was framed for murder. He's innocent. When the ship Imojenna lands for emergency repairs, Tannin risks everything to escape . . . only to find himself face to face with the captain's undeniably gorgeous sister. Zahli Sherron isn't planning on turning Tannin in. In fact, she actually believes him. Sure, he's sexy as every kind of sin, but he's no criminal—so she hides him.

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.

Civil War veteran John Carter is transported to a dying planet, where he must elude capture by giant green barbarians to rescue a Martian princess from certain doom. In this landmark of science fiction, the myths and mystery of the red planet supply a vibrant backdrop for a swashbuckling epic.

First contact with a mysterious race of aliens reveals an unusual request; a family's pet dog comes to grips with the newly bestowed gift of human-like intelligence; a poet, in danger and alone on a distant world, makes unlikely allies; hundreds of years in the future, a famous hermit lives in the sea above the now-underwater Harvard University; former friends navigate unsteady peace between human refugees and the technologically superior race that saved them; in a future where human life can be infinitely extended through cybertronic rebirth, one woman declines immortality.

Collected in one volume is all three books in C. J. Cherryh's epic The Faded Sun trilogy: Kesrith, Shon'jir, and Kutath.

Ripples in Spacetime is an engaging account of the international effort to complete Einstein's project, capture his elusive ripples, and launch an era of gravitational-wave astronomy that promises to explain, more vividly than ever before, our universe's structure and origin. The quest for gravitational waves involved years of risky research and many personal and professional struggles that threatened to derail one of the world's largest scientific endeavors.

The Solaran Defense Forces make the difficult decision to evacuate the colony of Robichar in order to avoid a direct confrontation. But when Captain Elya Nevers gets shot down during the evacuation, his squadron and the admiral in charge have to think fast to rescue their pilot before the Kryl overrun the system.

Colonel Vaughn Singleton and his multiverse-hopping team of soldiers, scientists, and smart-assed robots are out of time. The Necks—relentless, four-armed machines—have launched a devastating offensive across countless timelines. As humanity's last defenses falter, Vaughn's team races to reboot the timeline and stop the war before it begins. But when a mission deep behind enemy lines uncovers a buried truth about their robotic foes, everything changes.

In the distant future, humans and several other races have been granted membership in the Confederation - at a price. They must act as soldier/protectors of the far more civilized races who have long since turned away from war.

Alan Saul is now part-human and part-machine, and our solar system isn't big enough to hold him. He craves the stars, but can't leave yet. His sister Var is trapped on Mars, on the wrong side of a rebellion, and Saul's human side won't let her die. He must leave Argus Station to stage a dangerous rescue - but mutiny is brewing onboard, as Saul's robots make his crew feel increasingly redundant. Serene Galahad will do anything to prevent Saul's escape. Earth’s ruthless dictator hides her crimes from a cowed populace as she readies new warships for pursuit.

Colin MacIntyre's life as a NASA astronaut might not have been exciting, but at least it was orderly. Unfortunately, he's been tapped for greater things, and he isn't too sure he likes it. First he was kidnapped by an ancient, self-aware starship masquerading as Earth's moon. Then he was drafted as its captain to suppress a 5,000-year-old mutiny. And then he had to mobilize the planet against the attack of an eons-old ancient menace dedicated to the eradication of all intelligent life in the galaxy! It's hard to blame him for feeling a little stressed....

On a remote, gas-wreathed outpost of a human colony on Jupiter, a man goes missing. The enigmatic Investigator Mossa follows his trail to Valdegeld, home to the colony’s erudite university―and Mossa’s former girlfriend, a scholar of Earth’s pre-collapse ecosystems. Pleiti has dedicated her research and her career to aiding the larger effort towards a possible return to Earth. When Mossa unexpectedly arrives and requests Pleiti’s assistance in her latest investigation, the two of them embark on a twisting path in which the future of life on Earth is at stake.

Sergeant Richard Stavos was a Technomancer, capable of creating stronger than normal mental links with nanites. But that alone wasn't enough to keep him alive. Not when the Ka Empire wages wars across the galaxy. Death was supposed to be his release...an end to the constant fighting that plagued his life. But gifted beings like Richard are assets, and almost a decade after his death, the Ka overlords bring him back from the grave as a "reward" for his good service.

Fleeing Earth after an alien invasion, the human race stands on the threshold of evolution. Their new home is Luna, a moon colony blessed with creature comforts, prolonged lifespans, digital memories, and instant sex changes. But the people of Luna are bored, restless, suicidal - and so is the computer that monitors their existence.