Trapped on an alternate Earth, the combined crews of a crashed Russian spaceship, a British expeditionary force and a group of strays from the future must work together to survive, escape and discover what led them to this point. All are from parallel universes where small changes in history led to different realities, and the tensions between the groups are rising.

Fresh from his latest collaboration with Terry Pratchett on the Long Earth sequence Stephen Baxter now returns to the mysteries and challanges first hinted at in his acclaimed novel PROXIMA. In PROXIMA we discovered ancient alien artifacts on the planet of Per Ardua - hatches that allowed us to step across light years of space as if we were stepping into another room. The universe opened up to us. Now in ULTIMA the consequences of this new freedom make themselves felt.

An epic saga of America’s might-have-been, Voyage is a powerful, sweeping novel of how, if President Kennedy had lived, we could have sent a manned mission to Mars in the 1980s. Imaginatively created from the true lives and real events, Voyage returns to the geniuses of NASA and the excitement of the Saturn rocket and includes historical figures from Neil Armstrong to Ronald Reagan who are interwoven with unforgettable characters whose dreams mirror the promise of a young space program that held the world in thrall.  

A spaceship from Earth accidentally crossed through a hole in space-time to a universe where the force of gravity is one billion times as strong as the gravity we know. Somehow the crew survived, aided by the fact that they emerged into a cloud of gas surrounding a black hole, which provided a breathable atmosphere. Five hundred years later, their descendants still struggle for existence, divided into two main groups. The Miners live on the Belt, a ramshackle ring of dwellings orbiting the core of a dead star, which they excavate for raw materials.  

The Western Front, 1916. Private Percy Blakeney wakes up. He is lying on fresh spring grass. He can hear birdsong, and the wind in the leaves in the trees. Where have the mud, blood, and blasted landscape of No Man's Land gone? Madison, Wisconsin, 2015. Cop Monica Jansson is exploring the burned-out home of a reclusive - some said mad, others dangerous - scientist when she finds a curious gadget: a box containing some wiring, a three-way switch and a potato. It is the prototype of a life-changing invention....

Miguel de Ruyter is a man with a past. Fleeing the 'wolves'—the xenocidal alien machines known as Inhibitors—he has protected his family and community from attack for forty years, sheltering in the caves of an airless, battered world called Michaelmas. The slightest hint of human activity could draw the wolves to their home, to destroy everything...utterly. Which is how Miguel finds himself on a one-way mission with his own destructive mandate: to eliminate a passing ship, before it can bring unwanted attention down on them.

Following an accident that almost cost him his life, Howard Falcon was not so much saved as he was converted, through the use of prosthetics, into something faster, stronger and smarter...but also slightly less human and more machine than he was. And with this change came an opportunity - that of piloting a mission into Jupiter's atmosphere and ultimately of making first contact with the life forms he discovers there.

For eons, Earth has been under observation by the Firstborn, beings almost as old as the universe itself. The Firstborn are unknown to humankind - until they act. In an instant, Earth is carved up and reassembled like a huge jigsaw puzzle. Suddenly the planet and every living thing on it no longer exist in a single timeline.

In celebration of the 50th anniversary of the Apollo 11 landing, the endlessly-mysterious moon is explored in this reprint short science fiction anthology from award-winning editor and anthologist Neil Clarke (Clarkesworld, The Best Science Fiction of the Year).

Late in the 21st century, Earth receives what looks like an urgent plea for help from planet Proxima Centauri b in the closest star system to the Sun. Astrophysicists suspect a massive solar flare is about to destroy this heretofore-unknown civilization. Earth's space programs are unequipped to help, but an unscrupulous Russian billionaire launches a secret and highly-specialized spaceship to Proxima b, over four light-years away.

We were fighting on the wrong side of a war we couldn't win. And that was the good news. The Ruhar hit us on Columbus Day. There we were, innocently drifting along the cosmos on our little blue marble, like the native Americans in 1492. Over the horizon come ships of a technologically advanced, aggressive culture, and BAM! There go the good old days, when humans only got killed by each other. So, Columbus Day. It fits. When the morning sky twinkled again, this time with Kristang starships jumping in to hammer the Ruhar, we thought we were saved.

Doctor Silas Coade wakes from disturbing dreams, on the steamship Demeter, in pursuit of an extraordinary find almost too incredible and too strange to believe, secreted within a lagoon in the icy inlets of Patagonia. But as they come in sight of their prize, he and the crew see they are not the first to come so far: there is a wreck ahead, and whatever ruined it may threaten them as well. Shaking off his nightmares, Doctor Silas Coade joins his fellow exploders on the deck of the Demeter and realises something has already gone dangerously wrong with their mission.

Humanity welcomed the Olyix and their utopian technology. But mankind was tricked. Now these visitors are extracting a terrible price. For two years, the Olyix have laid siege to Earth, harvesting its people for their god. One by one, cities are falling to their devastating weaponry. And while millions have fled to seek refuge in space, others continue to fight an apparently unwinnable war.

There's a reason We Are Legion was named Audible's Best Science Fiction Book of 2016: Its irresistibly irreverent wit! Bob Johansson has just sold his software company for a small fortune and is looking forward to a life of leisure. The first item on his to-do list: Spending his newfound windfall. On an urge to splurge, he signs up to have his head cryogenically preserved in case of death. Then he gets himself killed crossing the street. Waking up 117 years later, Bob discovers his mind has been uploaded into a sentient space probe with the ability to replicate itself.

Idris has neither aged nor slept since they remade his mind in the war. And one of humanity’s heroes now scrapes by on a freelance salvage vessel, to avoid the attention of greater powers. Eighty years ago, Earth was destroyed by an alien enemy. Many escaped, but millions more died. So mankind created enhanced humans ­such as Idris - who could communicate mind-to-mind with our aggressors. Then these ‘Architects’ simply disappeared, and Idris and his kind became obsolete.