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.

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.

In a future world racked by violence and environmental catastrophes, George Orr wakes up one day to discover that his dreams have the ability to alter reality. He seeks help from Dr. William Haber, a psychiatrist who immediately grasps the power George wields. Soon George must preserve reality itself as Dr. Haber becomes adept at manipulating George's dreams for his own purposes.

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.

In this Hugo-nominated novel, an alien walks into a museum and asks if he can see a paleontologist. But the arachnid ET hasn't come aboard a rowboat with the Pope and Stephen Hawking (although His Holiness does request an audience later). Landing at the Royal Ontario Museum in Toronto, the spacefarer, Hollus, asks to compare notes on mass extinctions with resident dino-scientist Thomas Jericho.

I designed and started to write The Ancestor in the Mirror as a cross-curricular material while I was working as a Earth Space Science and Biology teacher in Lauderdale Lakes, Florida. The main point was to provide support to a group of ELL students who were struggling with different subjects. I started to gather information in 2012 and finished my research when I moved to Boston, Massachusetts.

War is peace. Freedom is slavery. Ignorance is strength. George Orwell once wrote of a world where abuse of power begins with an abuse of language and a bastardization of truth. Some of today's most exciting voices in speculative fiction explore the ramifications of those ideas in Ignorance Is Strength.

Four years ago, two girls went looking for monsters on Bodmin Moor. Only one came back. Lee thought she'd lost Mal, but now she's miraculously returned. But what happened that day on the moors? And where has she been all this time? Mal's reappearance hasn't gone unnoticed by MI5 officers either, and Lee isn't the only one with questions. Julian Sabreur is investigating an attack on top physicist Kay Amal Khan. This leads Julian to clash with agents of an unknown power - and they may or may not be human.

At his death in 1988, Robert A. Heinlein left a legacy that almost single-handedly defined modern science fiction. But one of Heinlein's masterpieces was never finished. In 1955, he began work on Variable Star, a powerful and passionate tale of two young lovers driven apart by pride, power, and the vastness of interstellar time and space. Now, the Heinlein estate has authorized award-winning author Spider Robinson to expand his outline into a full-length novel. And the result is vintage Heinlein.

Despite increasing restrictions on the freedoms of women on Earth, Valerie Black is spearheading the first all-female mission to a planet in the Goldilocks Zone, where conditions are just right for human habitation. It's humanity's last hope for survival, and Naomi, Valerie's surrogate daughter and the ship's botanist, has been waiting her whole life for an opportunity like this - to step out of Valerie's shadow and really make a difference But when things start going wrong on the ship, Naomi begins to suspect that someone on board is concealing a terrible secret.

The West has been devastated by epidemics, bio-terrorism, war, and famine. Asia has shut its borders to keep the threats at bay, and some with power and influence have already abandoned Earth. Now an escape route a century in the making - the Nomad mission - finally offers hope to a small town and a secret research centre hidden in a rural American backwater. Shrouded in lies and concealed even from the research centre's staff, Nomad is about to fulfil its long-dead founder's vision of preserving the best of humanity to forge a new future. But who decides who's worthy?

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”.

Exploring the boundaries of the genre, Bova not only writes of spaceships, aliens, and time travel in most of his titles, but also speculates on the beginnings of science fiction in “Scheherazade and the Storytellers,” as well as the morality of man in “The Angel’s Gift.” Stories such as “The Café Coup” and “We’ll Always Have Paris” dip into speculative historical fiction, asking questions about what would happen if someone could change history for the better. This expansive collection is a key addition for Bova fans and sci-fi lovers alike!

Two murders have occurred on One One One, an artificial ecosystem created by the universe's dominant AIs to house several engineered species, including a violent, sentient race of sloth-like creatures. Under order from the Diplomatic Corps, Counselor Andrea Cort has come to this cylinder world where an indentured human community hangs suspended high above a poisoned, acid atmosphere. Her assignment is to choose a suitable homicide suspect from among those who have sold their futures to escape existences even worse than this one.

From stories about time-traveling assassins, to Black Mirror-esque tales of cryptocurrency and internet trolling, to heartbreaking narratives of parent-child relationships, The Hidden Girl and Other Stories is a far-reaching work that explores topical themes from the present and a visionary look at humanity’s future. This collection includes a selection of Ken Liu’s speculative-fiction stories over the past five years - 17 of his best - plus a new novelette.