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.

Five months after the horrific accident that left him near death and worried that he'd never fly again, master-pilot Alex Romanov lands a new job: captaining the sleek passenger vessel Mirror. Alex is a spesh - a human who has been genetically modified to perform particular tasks. As a captain and pilot, Alex has a genetic imperative to care for passengers and crew - no matter what the cost.

Brittany Callaghan thinks she's dreaming when a blond, nearly seven-feet-tall Nordic god shows up on her doorstep in her tiny California town. He claims to be a barbarian warrior in need of her help. Though a stunning, statuesque beauty herself, intelligent and independent Brittany has struggled hard to earn respect in a man's world. She is taken aback when Dalden, a spectacular Viking who is a long way from home, needs her help - and is willing to pay for it.

The Unincorporated Man is a provocative social/political/economic novel that takes place in the future, after civilization has fallen into complete economic collapse. This reborn civilization is one in which every individual is incorporated at birth and spends many years trying to attain control over his or her own life by getting a majority of his or her own shares. Life extension has made life very long indeed.

Emanuel Goldsmith, a famous poet, murdered eight people, then disappeared. Three people want to find him: an aspiring writer, an embittered scientist who wants to use him, and a policewoman who needs to put him in custody before the Selectors, a vigilante organization, get to him first.

AD 3580. The Intersolar Commonwealth has spread through the galaxy to over a thousand star systems. It is a culture of rich diversity with a place for everyone. A powerful navy protects it from any hostile species that may lurk among the stars. For Commonwealth citizens, even death has been overcome.

A world with no hunger, no disease, no war, no misery: Humanity has conquered all those things and has even conquered death. Now Scythes are the only ones who can end life - and they are commanded to do so in order to keep the size of the population under control. Citra and Rowan are chosen to apprentice to a scythe - a role that neither wants. These teens must master the "art" of taking life, knowing that the consequence of failure could mean losing their own.

Created as an experiment by the time-traveling goddess Pallas Athene, the Just City is a planned community populated by over 10,000 children and a few hundred adult teachers from all eras of history, along with some handy robots from the far human future - all set down together on a Mediterranean island in the distant past.

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.

A human female. A ruthless alien. A dangerous beast she awakens inside of him. His name is Ar'Van. He is the best hunter money can buy. Tall, dangerous, non-human - and the last of his kind. When a new assignment brings him to Earth, he doesn't expect much resistance. The women he is supposed to deliver to the warlord of the Qua'Hathri are easy targets. He could outwit the earth men that protect them, with his eyes closed. But every plan can go wrong. Not because he is careless. He just hadn't expected his worst enemy and best accomplice to feel drawn to one of them.

If you enjoyed Me Before You by JoJo Moyes, One Day by David Nicholls, or The Notebook by Nicholas Sparks, then make time for Kelly Rimmer's stunning, heartbreaking new audiobook, Me Without You.A story of how love can break our hearts - and heal them. A year ago I met the love of my life. For two people who didn't believe in love at first sight, we came pretty close....

They are coming. The countdown has begun. First visible only as blips on a telescope image, the discovery of objects approaching from Jupiter's orbit immediately sets humanity on edge. NASA doesn't even bother to deny the alien ships' existence. The popular Astral space app (broadcasting from the far side of the moon and accessible by anyone with Internet) has already shown the populace what is coming.

Dr. Elisa Medhus never believed in life after death. As an accomplished physi­cian, she placed her faith in science. All of that changed after her son Erik took his own life and then reached out from the other side. Intimate, heartbreaking, and illuminating, this audiobook takes listeners on an incredible journey from grief and skepticism to healing and belief. Based on Medhus's wildly popular blog, Channeling Erik, My Son and the Afterlife provides answers to the most universal questions of being human.

From the Audie-nominated narrator of The Martian. In eleven years' time, a million members of an alien race will arrive at Earth. Years before they enter orbit, their approach will be announced by the flare of a thousand flames in the sky, their ships' huge engines burning hard to slow them from the vast speeds needed to cross interstellar space. These foreboding lights will shine in our night sky like new stars, getting ever brighter until they outshine even the sun, casting ominous shadows and banishing the night until they suddenly blink out.

Before he was Oldtimer, he was Craig Emilson, a young doctor,sucked into military service at the outbreak of World War III. Enlisting to become a Special Forces suborbital paratrooper, Craig is selected to take part in the most important mission in American military history, a sortie into enemy territory to eliminate the world's first strong artificial intelligence.