Scientists (and lovers) Mary Vaughan, who is human, and Ponter Boddit, who is Neanderthal, embark on the harrowing adventure of conceiving a child together. To overcome the genetic barbed wire of mismatched chromosomes, they must use banned technology obtainable only from a Neanderthal scientist living in the northern wilderness.

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.

Webmind is an emerging consciousness that has befriended Caitlin Decter and grown eager to learn about her world. But Webmind has also come to the attention of WATCH - the secret government agency that monitors the Internet for any threat to the United States - and they're fully aware of Caitlin's involvement in its awakening.

In the near future, a signal is detected coming from the Alpha Centauri system. Mysterious, unintelligible data streams in for ten years. Heather Davis, a professor in the University of Toronto psychology department, has devoted her career to deciphering the message. Her estranged husband, Kyle, is working on the development of artificial intelligence systems and new computer technology utilizing quantum effects to produce a near-infinite number of calculations simultaneously.

This is the story of Pierre Tradivel, a scientist, and his complex battle against deadly illness, and ex-Nazi war criminal still hiding in the U.S., a crooked insurance company, and a plot to make Pierre and his wife the victims of a bizarre genetic experiment. Frameshift is hard science fiction at its best, full of complications and neat surprises.

While J. Robert Oppenheimer and his Manhattan Project team struggle to develop the A-bomb, Edward Teller wants something even more devastating: a weapon based on nuclear fusion - the mechanism that powers the sun. But Teller’s research leads to a terrifying discovery: by the year 2030, the sun will eject its outermost layer, destroying the entire inner solar system - including Earth. After the war ends, Oppenheimer’s physicists combine forces with Albert Einstein, computing pioneer John von Neumann, and rocket designer Wernher von Braun.  

Jake Sullivan has cheated death: he's discarded his doomed biological body and copied his consciousness into an android form. The new Jake soon finds love, something that eluded him when he was encased in flesh: he falls for the android version of Karen, a woman rediscovering all the joys of life now that she too is no longer constrained by a worn-out body. Karen's son sues her, claiming that by uploading into an immortal body, she has done him out of his inheritance.

Experimental psychologist Jim Marchuk has developed a flawless technique for identifying the previously undetected psychopaths lurking everywhere in society. But while being cross-examined about his breakthrough in court, Jim is shocked to discover that he has lost his memories of six months of his life from 20 years previously - a dark time during which he himself committed heinous acts.

One night when he was 10, Tyler stood in his backyard and watched the stars go out. They flared into brilliance, then disappeared, replaced by an empty black barrier. He and his best friends, Jason and Diane Lawton, had seen what became known as the Big Blackout. It would shape their lives.

Ellis Rogers is an ordinary man who is about to embark on an extraordinary journey. All his life he has played it safe and done the right thing. But when he is faced with a terminal illness, Ellis is willing to take an insane gamble. He's built a time machine in his garage, and if it works, he'll face a world that challenges his understanding of what it means to be human, what it takes to love, and the cost of paradise. Ellis could find more than a cure for his disease; he might find what everyone has been searching for since time has begun.

When COVID-19 sweeps through New York City, Jamie Gray is stuck as a dead-end driver for food-delivery apps. That is, until Jamie makes a delivery to an old acquaintance, Tom, who works at what he calls “an animal rights organization”. Tom’s team needs a last-minute grunt to handle things on their next field visit. Jamie, eager to do anything, immediately signs on. What Tom doesn't tell Jamie is that the animals his team cares for are not here on Earth. Not our Earth, at at least. In an alternate dimension, dinosaur-like creatures named Kaiju roam a warm and human-free world.

The Mote In God's Eye is their acknowledged masterpiece, an epic novel of mankind's first encounter with alien life that transcends the genre. No lesser an authority than Robert A. Heinlein called it "possibly the finest science fiction novel I have ever read".

Only a few know the terrifying truth - an outcast Earth scientist, a rebellious alien inhabitant of a dying planet, a lunar-born human intuitionist who senses the imminent annihilation of the Sun... They know the truth - but who will listen? They have foreseen the cost of abundant energy - but who will believe?These few beings, human and alien, hold the key to the Earth's survival.

Childhood friends Patricia Delfine and Laurence Armstead didn't expect to see each other again after parting ways under mysterious circumstances during high school. After all, the development of magical powers and the invention of a two-second time machine could hardly fail to alarm one's peers and families. But now they're both adults, living in the hipster mecca San Francisco, and the planet is falling apart around them.

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.

Scientists (and lovers) Mary Vaughan, who is human, and Ponter Boddit, who is Neanderthal, embark on the harrowing adventure of conceiving a child together. To overcome the genetic barbed wire of mismatched chromosomes, they must use banned technology obtainable only from a Neanderthal scientist living in the northern wilderness.

Geophysicist Jack Greer believes he may finally have found the resting place of the meteorite that wiped out the dinosaurs 65 million years ago. A few miles off the Yucatán coast, Jack and a team of scientists tow an aging drilling platform over the impact crater with the aim of securing a sample. But buried deep beneath the earth lies a shocking discovery that threatens to shatter everything we think we know about our species.

Experimental psychologist Jim Marchuk has developed a flawless technique for identifying the previously undetected psychopaths lurking everywhere in society. But while being cross-examined about his breakthrough in court, Jim is shocked to discover that he has lost his memories of six months of his life from 20 years previously - a dark time during which he himself committed heinous acts.

What if life as we know it was just a game? What if instead of traditional schools, children learned by participating in a virtual reality simulation, one that allowed them to experience "life" from birth to death - multiple times? What if one player, on his final play, could change the world forever?

A.D. 2088. Missionary daughter Abigail Caldwell emerges from the jungle for the first time in her thirty-four years, the sole survivor of a mysterious disease that killed her village. Abby goes to America, only to discover a nation where Christianity has completely died out. A curious message from her grandfather assigns her a surprising mission: re-introduce the Christian faith in America, no matter how insurmountable the odds.

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.

Mere minutes after arriving at their Nantucket family beach home, nine-year-old Scotty Sullivan was out the back door, scrambling toward the shore with Larry, the family dog, fast on his heels. Late in the afternoon in mid-spring, the typical summer beach crowd visitors were still weeks away. Suddenly, Scotty became aware of an odd-looking object, hovering just above the crashing surf. In an age of hobbyist’s drones and all sorts of flying gadgets, he wasn’t overly concerned until the large flying object moved much, much, closer. 

In Jasper Fforde's Great Britain, circa 1985, time travel is routine, cloning is a reality (dodos are the resurrected pet of choice), and literature is taken very, very seriously. England is a virtual police state where an aunt can get lost (literally) in a Wordsworth poem and forging Byronic verse is a punishable offense. All this is business as usual for Thursday Next, renowned Special Operative in literary detection.

Ellis Rogers is an ordinary man who is about to embark on an extraordinary journey. All his life he has played it safe and done the right thing. But when he is faced with a terminal illness, Ellis is willing to take an insane gamble. He's built a time machine in his garage, and if it works, he'll face a world that challenges his understanding of what it means to be human, what it takes to love, and the cost of paradise. Ellis could find more than a cure for his disease; he might find what everyone has been searching for since time has begun.

In Our Friends from Frolix 8, the world is run by an elite few. And what determines whether one is part of the elite isn’t wealth or privilege, but brains. As children, every citizen of Earth is tested; some are found to be super-smart New Men and some are Unusuals with various psychic powers. The vast majority are Undermen, performing menial jobs in an overpopulated world.

2105, September: Intelligence Analyst Caine Riordan uncovers a conspiracy on Earth's Moon - a history-making clandestine project - and ends up involuntarily cryocelled for his troubles. Twelve years later, Riordan awakens to a changed world. Humanity has achieved faster-than-light travel and is pioneering nearby star systems. And now, Riordan is compelled to become an inadvertent agent of conspiracy himself. Riordan's mission: travel to a newly settled world and investigate whether a primitive local species was once sentient - enough so to have built a lost civilization.

One hundred years before Ender's Game, the aliens arrived on Earth with fire and death. Earth Afire by Orson Scott Card and Aaron Johnston is the story of the First Formic War. Victor Delgado beat the alien ship to Earth, but just barely. Not soon enough to convince skeptical governments that there was a threat. They didn’t believe that until space stations and ships and colonies went up in sudden flame. And when that happened, only Mazer Rackham and the Mobile Operations Police could move fast enough to meet the threat.