The long-awaited new novel by the award-winning, best-selling author of Startide Rising and The Uplift War- an epic novel set 50 years from tomorrow, a carefully-reasoned, scientifically faithful tale of the fate of our world.

The River of Time brings together 12 of David Brin's stories, including "The Crystal Spheres", which won the Hugo Award for Best Science Fiction Short Story in 1985. Here are powerful tales of heroism and humanity, playful excursions into realms of fancy, and profound meditations on time, memory, and our place in the universe. Who guides our fate? And can we ever hope to wrest control for ourselves?

Hector was the best of the best. A government operative who could bring armies to a halt and nations to their knees. But when his own country betrayed him, he dropped off the grid and picked up the first of many bottles. Natalie can’t remember much of her life before her family brought her to the US, but she remembers the cages. And getting taken away to the Project with dozens of other young children to become part of their nightmarish experiments. That’s how she ended up with the ghost of a dead secret agent stuck in her head.

In a perilous future where disposable duplicate bodies fulfill every legal and illicit whim of their decadent masters, life is cheap. No one knows that better than Albert Morris, a brash investigator with a knack for trouble, who has sent his own duplicates into deadly peril more times than he cares to remember. But when Morris takes on a ring of bootleggers making illegal copies of a famous actress, he stumbles upon a secret so explosive it has incited open warfare on the streets of Dittotown.

Physicist Dennis Nuel was the first human to probe the strange realms called anomaly worlds - alternate universes where the laws of science were unpredictably changed. But the world Dennis discovered seemed almost like our own - with one perplexing difference. To his astonishment, he was hailed as a wizard and found himself fighting beside a beautiful woman with strange powers against a mysterious warlord as he struggles to solve the riddle of this baffling world.

Young Maia is fast approaching a turning point in her life. As a half-caste var, she must leave the clan home of her privileged half-sisters and seek her fortune in the world. With her twin sister, Leie, she searches the docks of Port Sanger for an apprenticeship aboard the vessels that sail the trade routes of the Stratoin oceans. On her far-reaching, perilous journey of discovery, Maia will endure hardship and hunger, imprisonment and loneliness, bloody battles with pirates and separation from her twin.

It isn’t easy to get a group of bestselling SF authors to write new stories for an anthology, but that’s what Elizabeth Anne Hull has done in this powerhouse book. With original, captivating tales by Greg Bear, Gregory Benford, Ben Bova, David Brin, Cory Doctorow, Neil Gaiman, Joe Haldeman, Harry Harrison, Larry Niven, Vernor Vinge, Gene Wolfe, and others, Gateways is a SF event that will be a must-buy for SF readers of all tastes, from the traditional to the cutting edge; from the darkly serious to the laugh-out-loud funny.

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.

Welcome to Ringworld, an intermediate step between Dyson Spheres and planets. The gravitational force created by a rotation on its axis of 770 miles per second means no need for a roof. Walls 1,000 miles high at each rim will let in the sun and prevent much air from escaping. Larry Niven's novel, Ringworld, is the winner of the 1970 Hugo Award for Best Novel, the 1970 Nebula Award for Best Novel, and the 1972 Ditmars, an Australian award for Best International Science Fiction.

Dennis E. Taylor, author of the best-selling Bobiverse trilogy, explores a whole different, darker world in this sci-fi stand-alone. Determined to give his wife and children a better life back home, Ivan Pritchard ventures to the edge of known space to join the crew of the Mad Astra as an asteroid miner. He's prepared for hard work and loneliness—but not the unthinkable. After coming into contact with a mysterious alien substance, Pritchard finds an unwelcome entity sharing his mind, and a disturbing physical transformation taking place.  

Adrian Tchaikovksy's critically acclaimed stand-alone novel Children of Time is the epic story of humanity's battle for survival on a terraformed planet. Who will inherit this new Earth? The last remnants of the human race left a dying Earth, desperate to find a new home among the stars. Following in the footsteps of their ancestors, they discover the greatest treasure of the past age - a world terraformed and prepared for human life. But all is not right in this new Eden.

You know that feeling when you’re at work and you’ve had enough of people, and then the boss walks in with yet another job that needs to be done right this second or the world will end, but all you want to do is go home and binge your favorite shows? And you're a sentient murder machine programmed for destruction? Congratulations, you're Murderbot. Come for the pew-pew space battles, stay for the most relatable AI you’ll listen to this century.

One man—visionary billionaire restaurant chain magnate T. R. Schmidt, Ph.D.—has a Big Idea for reversing global warming, a master plan perhaps best described as “elemental.” But will it work? Ranging from the Texas heartland to the Dutch royal palace in the Hague, from the snow-capped peaks of the Himalayas to the sunbaked Chihuahuan Desert, Termination Shock brings together a disparate group of characters from different cultures and continents who grapple with the real-life repercussions of global warming. 

In what is considered one of Heinlein's most hair-raising, thought-provoking, and outrageous adventures, the master of modern science fiction tells the strange story of an even stranger world. It is 21st-century Luna, a harsh penal colony where a revolt is plotted between a bashful computer and a ragtag collection of maverick humans, a revolt that goes beautifully until the inevitable happens. But that's the problem with the inevitable: it always happens.

In 2204, humanity is expanding into the wider galaxy in leaps and bounds. Cutting-edge technology of linked jump gates has rendered most forms of transportation - including starships - virtually obsolete. Every place on Earth, every distant planet humankind has settled, is now a step away from any other. And all seems wonderful - until a crashed alien spaceship of unknown origin is found on a newly located world 89 light-years from Earth, carrying a cargo as strange as it is horrifying. To assess the potential of the threat a high-powered team is dispatched to investigate. But one of them may not be all they seem....