Space Science

Bob Johansson didn't believe in an afterlife, so waking up after being killed in a car accident was a shock. To add to the surprise, he is now a sentient computer and the controlling intelligence for a Von Neumann probe. Bob and his copies have been spreading out from Earth for 40 years now, looking for habitable planets. But that's the only part of the plan that's still in one piece.

Komarr could be a garden with 1,000 more years' work, or an uninhabitable wasteland if the terraforming fails. Now, the solar mirror vital to the terraforming of the conquered planet has been shattered by a ship hurtling off course. The emperor of Barrayar sends his newest imperial auditor, Lord Miles Vorkosigan, to find out why.

It's been a year since Binti and Okwu enrolled at Oomza University. A year since Binti was declared a hero for uniting two warring planets. A year since she found friendship in the unlikeliest of places. And now she must return home to her people, with her friend Okwu by her side, to face her family and face her elders. But Okwu will be the first of his race to set foot on Earth in over a hundred years, and the first ever to come in peace.

For centuries, men and women have manned lighthouses to ensure the safe passage of ships. It is a lonely job and a thankless one for the most part. Until something goes wrong. Until a ship is in distress. In the twenty-third century, this job has moved into outer space. A network of beacons allows ships to travel across the Milky Way at many times the speed of light. These beacons are built to be robust. They never break down. They never fail. At least, they aren’t supposed to.

When asubatomic physics experiment causes a massive explosion, interdimensional gateways open in Florida - and aliens pour out. Some intend to bring Earth to its knees. Others seem willing to help, but will annihilate the planet if Navy SEAL Command Master Chief Robert Miller can't stop the menace from spreading.

Led by Admiral Naismith (a.k.a. Lord Miles Vorkosigan), the Dendarii Mercenaries have pulled off the daring interspace rescue of an entire Cetagandan POW camp. But they have made some deadly enemies, and Miles realizes he's in trouble again. First the Mercenaries' payroll doesn't arrive on time; then someone tries to murder him. Now Miles must juggle both his identities to unravel a plot against him, and to reveal an unexpected ally. Just who is trying to assassinate which of his personas, and why?

Brady Garrett needs to go home. He's a conscripted recruit on Defender Three, one of a network of stations designed to protect the Earth from alien attack. He's also angry, homesick, and afraid. If he doesn't get home he'll lose his family, but there's no way back except in a body bag. Cameron Rushton needs a heartbeat. Four years ago Cam was taken by the Faceless - the alien race that almost destroyed Earth.

Some starship captains explore strange new worlds, seeking out new life and new civilizations. Some lead missions of discovery through wormholes to the other side of the galaxy. Then there's Captain Iridius B. Franklin, someone who spent too long seeking out strange new bars and new alien cocktails.

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.

Tanis Richards has spent half her life on the Intrepid, guiding the great colony ship, and its two million passengers, across hundreds of light-years. She has risked life, limb, and those dearest to her to get this far. Now she's within reach of her goal; the New Canaan System, and a normal, stable life. The kind she's only dreamed about. The only remaining hurdle is to strike a deal with the Transcend Alliance and trade the Intrepid's advanced technology for the star system. If only things were so easy.

When Streaker - the first starship designed and crewed by dolphins - discovers a derelict ancient armada with evidence of the first sentient species ever, she sets off a war between dozens of galactic races eager to use the information for their own advancement.

A wave of death is spreading through the Milky Way galaxy, an expanding sphere of lethal gamma radiation that erupted from the galaxy's core 28,000 years ago. Every world it touched was wiped clean of all life. But it's possible to protect a planet from gamma radiation. Now, guided by the ancient intelligent machines called the Predecessors, men and women from Earth seek out those precious, rare worlds that harbor intelligent species, determined to save them.

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.

Best-selling author, superstar physicist, and cofounder of the World Science Festival Brian Greene (The Elegant Universe, The Fabric of the Cosmos) and an ensemble cast led by award-winning actor Paul Rudd (Ant-Man) perform this dramatic story tracing Albert Einstein's discovery of the general theory of relativity.

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.

The sand-blasted world of Arrakis has become green, watered, and fertile. Old Paul Atreides, who led the desert Fremen to political and religious domination of the galaxy, is gone. But for the children of Dune, the very blossoming of their land contains the seeds of its own destruction. The altered climate is destroying the giant sandworms, and this in turn is disastrous for the planet's economy.

The planet Korwar was a glittering jewel of a world, inhabited by the galaxy's wealthiest, visited by the upper classes of other worlds in search of diversion. The jewel had a flaw: the Dipple, its name coming from a contraction of "displaced person", where the misfits, the hopeless, the penniless eke out a wretched existence on the dole. Two young men hoped to escape from the Dipple.

The war will come - it is inevitable. After centuries of struggle, the ISF Intrepid has finally brought its colonists to New Canaan, a star system better than any they imagined. They made landfall and began to build their new home, far from the troubles of Sol and the Inner Stars. Yet no one in the Orion Arm has forgotten that the colonists possess the most valuable technology known to humankind, least of all Tanis Richards - as she secretly prepares to defend New Canaan against any and all aggressors.

The Omnian expeditionary fleet sails for the faraway place they call "the wall". The worlds of humankind have consolidated their resources to create a powerful armada to confront the alien federation. During the Omnians' previous encounter with an alien fleet at the wall, the Nua'll comm sphere spoke to them in multiple languages. When the messages were deciphered by SADEs, the humans' digital friends, the Omnians realized two things. One, they would face a vast empire composed of hundreds of races, and, two, the Nua'll were not the leaders of the federacy. They had spoken of masters.

The US has abandoned its quest for the stars, and an old enemy has moved in to fill the void. The potential wealth of the universe is now in malevolent hands. Rebel billionaire Dan Randolph - possessor of the largest privately owned company in space - intends to weaken the stranglehold the new despotic masters of the solar system have on the lucrative ore industry. But when the mineral-rich asteroid he sets in orbit around the Earth is commandeered by the enemy, and his unarmed workers are slaughtered in cold blood, the course of Randolph’s life is changed forever.