From a remote corner of the galaxy, a message is being sent. The continuous beats of a pulsar have become odd, irregular, and artificial. It can only be a code. Frantically, a research team struggles to decipher the alien communication. And what the scientists discover is destined to shake the foundations of empires around this world - from Wall Street to the Vatican.

This classic science fiction masterwork by Isaac Asimov weaves stories about robots, humanity, and the deep questions of existence into a novel of shocking intelligence and heart.

From best-selling author Neal Stephenson and critically acclaimed historical and contemporary commercial novelist Nicole Galland comes a captivating and complex near-future thriller combining history, science, magic, mystery, intrigue, and adventure that questions the very foundations of the modern world.

In Level Five, the debut near-future thriller by Nebula Award winner William Ledbetter, AIs battle for dominance, and nanotechnology is on the loose. And all that stands in the way of the coming apocalypse is a starry-eyed inventor who dreams of building a revolutionary new spacecraft and an intelligence agency desk jockey faced with the impossible choice of saving her daughter - or saving the world.

Charles Forbin has dedicated the last 10 years of his life to the construction of his own supercomputer, Colossus, rejecting romantic and social endeavors in order to create the United States' very first Artificially Intelligent defense system. Colossus is a supercomputer capable of taking in and analyzing data rapidly, allowing it to make real time decisions about the nation's defense.

Aliens are spying on Earth from one of the four worlds that make up the Warden Diamond. But it is impossible to send agents to any of the four worlds because of unique microscopic symbionts that make it impossible for visitors to leave the Diamond. Seeking a unique solution, each of the four worlds making up the Diamond is sent a person whose mind has been stripped of everything and who is now controlled by an agent of the Confederacy. Lilith is the first planet to be visited.

Niblock House is a rising executive at General Technics, one of a few all-powerful corporations. His work is leading General Technics to the forefront of global domination, both in the marketplace and politically - it's about to take over a country in Africa. Donald Hogan is his roommate, a seemingly sheepish bookworm. But Hogan is a spy, and he's about to discover a breakthrough in genetic engineering that will change the world...and kill him. Society is squeezed into hive-living madness by god-like mega computers and mass-marketed psychedelic drugs.

Rudolph "Rudy" Dersch is the newly minted CEO of the world's largest, multi-trillion-dollar corporate conglomerate. But the job comes with an unexpected twist - an invitation to join the Consortium, a small, secretive group of global elites who effectively decide what's best for the rest of humanity. How does Rudy's struggle to reconcile business and family impact the world's future? And who, if anyone, can break the Consortium's iron grip on the status quo?

A powerful industrialist, Ruggiero Miletti, is kidnapped. Inspector Zen is transferred to Perugia to take over the case - but finds that there are many obstacles in his way. The local authorities see him as an interloper, and the victim’s family, one of the most powerful in Italy, seem content to let Miletti languish in the hands of his abductors. Zen has crossed swords with the establishment before - and lost. Can he succeed this time?

They are just children when they first meet: Charlotte, daughter of the French ambassador, and Hiroshi, a laundress’s son. One day in the playground, Hiroshi declares that he has an idea that will change the world. An idea that will sweep away all differences between rich and poor. When Hiroshi runs into Charlotte several years later, he is trying to build a brighter future through robotics.

When Tom Faraday joined internationally renowned CERUS Biotech, he thought he'd landed his dream job. A chance to work with their famous CEO, William Bern, perhaps to change the world. But Tom has found himself in an organization in crisis. The company bet the house on a radical neural interface project, only to be blocked by a government with reasons of its own. Now CERUS is running on vapor and the corporate vultures are gathering. Bern isn't one to go down without a fight.

When DS Royston Chase is called to the scene of a fatal road collision, his task is to identify the girl who died alongside the ex-chief constable of Wiltshire Police. Paired with the bold and strident DC Claire Laney, Chase is given the task of closing the case quickly and quietly. But when the girl’s DNA provides a familial link to a child who vanished from her home 20 years earlier, Chase and Laney refuse to accept the coincidence. The pair start looking harder at the ex-cop’s life, at which point they encounter serious opposition. Perhaps deadly serious.

On Mars, the harsh climate could make any colonist turn to drugs to escape a dead-end existence. Especially when the drug is Can-D, which transports its users into the idyllic world of a Barbie-esque character named Perky Pat. When the mysterious Palmer Eldritch arrives with a new drug called Chew-Z, he offers a more addictive experience, one that might bring the user closer to God. But in a world where everyone is tripping, no promises can be taken at face value.

No one knows the true motives of Kees vaan Loo-Macklin. He's a mastermind criminal who gave up his place at the head of the dark underworld to become a legitimate member of Evenwaith's cities. But soon he was reaching out to powerful enemies - the slimy aliens called the Nuel. Loo-Macklin negotiates an illusory peace agreement and gains precious alien secrets in the process. Is he after peace, power or pure evil? With enemy starships beginning to amass, we won't have to wait long to find out.

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.