Charles Babbage perfects his Analytical Engine and the computer age arrives a century ahead of its time. And three extraordinary characters race toward a rendezvous with history - and the future: Sybil Gerard - dishonored woman and daughter of a Luddite agitator; Edward "Leviathan" Mallory - explorer and paleontologist; Laurence Oliphant - diplomat and spy. Their adventure begins with the discovery of a box of punched Engine cards of unknown origin and purpose. Cards someone wants badly enough to kill for...Part detective story, part historical thriller, The Difference Engine is the first collaborative novel by two of the most brilliant and controversial science fiction authors of our time. Provocative, compelling, intensely imagined, it is a startling extension of Gibson's and Sterling's unique visions - in a new and totally unexpected direction!

    Dickson's future history of humankind and its ultimate destiny. Now one of its central novels return to print in a two-volume corrected edition.In The Final Encyclopedia the human race is split into three Splinter cultures: the Friendlies, fanatic in their faith; the truth-seeking Exotics; and the warrior Dorsai. But now humanity is threatened by the power-hungry Others, whose triumph would end all human progress.Hal Mayne is an orphan who was raised by three tutors: an Exotic, a Friendly, and a Dorsai. He is the only human capable of uniting humanity against the Others. But only if he is willing to accept his terrifying destiny...as savior of mankind.A towering landmark of future history, The Final Encyclopedia is a novel every SF fan needs to own.

    But as adults they both wind up in near-future San Francisco, where Laurence is an engineering genius and Patricia works with a small band of other magicians to secretly repair the world’s ever growing ailments. But something is determined to bring them back together—to either save the world, or end it.

    But which one broke the timeline?In 2136 Madison Grace uncovers a key to the origins of CHRONOS, a time-travel agency with ties to her family’s mysterious past. Just as she is starting to jump through history, she returns to her timeline to find millions of lives erased—and only the people inside her house realize anything has changed.In 2304 CHRONOS historian Tyson Reyes is assigned to observe the crucial events that played out in America’s civil rights movement. But a massive time shift occurs while he’s in 1965, and suddenly the history he sees isn’t the history he knows.As Madi’s and Tyson’s journeys collide, they must prevent the past from being erased forever. But strange forces are at work. Are Madi and Tyson in control or merely pawns in someone else’s game?

    Thirty years ago, threatened by an invading fleet from the Dai Viet Empire, the Citadel disappeared and was never seen again. But now the Dai Viet Empire itself is under siege, on the verge of a war against an enemy that turns their own mindships against them; and the Empress, who once gave the order to raze the Citadel, is in desperate needs of its weapons. Meanwhile, on a small isolated space station, an engineer obsessed with the past works on a machine that will send her thirty years back, to the height of the Citadel's power. But the Citadel's disappearance still extends chains of grief and regrets all the way into the fraught atmosphere of the Imperial Court; and this casual summoning of the past might have world-shattering consequences... A new book set in the award-winning, critically acclaimed Xuya universe.

    With every use of this ability, though, Martin finds his little “tweaks” have not escaped notice. Rather than face prosecution, he decides instead to travel back in time to the Middle Ages and pose as a wizard.What could possibly go wrong?An American hacker in King Arthur’s court, Martin must now train to become a full-fledged master of his powers, discover the truth behind the ancient wizard Merlin… and not, y’know, die or anything.

    Their objective is classified, marked only by coordinates leading them into a deserted city at the heart of the fighting. From the beginning, everything possible goes wrong. A missile strike rocks the carrier mid-launch, and only a fraction of the unit reaches the surface alive.Outmanned, outgunned, and scattered, with a hard deadline to orbital bombardment looming, it is up to Drop Commander Tyco Hale to rally his troops and reach their objective. But what they find, hidden deep in the tunneled passages under the city, will change everything about what he fights for and what he believes in. With the unit in tatters and loyalties divided, the choice he makes in the dark will seal all of their fates - and much more besides.

    There is a constant low-level war between the two groups, with the Spacers raiding earth for supplies and for women. The war turns hot in the book and three teenagers, one Spacer and two from Earth, must find a way to bring peace.

    It is a place of demons and angels, of warriors and priests. Sentient and magical, the Vorrh bends time and wipes  memory. Legend has it that the Garden of Eden still exists at its heart. Now, a renegade English soldier aims to be the first human to traverse its expanse. Armed with only a strange bow, he begins his journey, but some fear the consequences of his mission, and a native marksman has been chosen to stop him. Around them swirl a remarkable cast of characters, including a Cyclops raised by robots and a young girl with tragic curiosity, as well as historical figures, such as writer Raymond Roussel, heiress Sarah Winchester, and photographer Edward Muybridge.  While fact and fiction blend, the hunter will become the hunted, and everyone’s fate hangs in the balance under the will of the Vorrh.

    But idle sometime-musician George has little talent for clockwork. And when a shadowy figure tries to steal an old device from the premises, George finds himself embroiled in a mystery of time travel, music and sexual intrigue. A genuine lost classic, a steampunk original whose time has come.

    Humanity has been enslaved or scattered to the galaxy, hiding out in lonely systems far from home. A cry for help from an enemy ship prompts action from an unlikely group of refugees and a lone fighter pilot. This begins an epic adventure that will unite the remains of the human race and take them into the depths of the darkest soul.The battle for survival is underway and the War for Terra has finally begun.

    The world's greatest detective, Sherlock Holmes, along with his friend Professor Challenger embark on one of their most dangerous adventures to date... to discover the nature and intent of their extra-terrestrial attackers.

    His first mission: save a gazillion lives. When young Kevin has a chance encounter with a dying alien, he discovers not only that humans aren't alone in the universe, but that this encounter propels him into the middle of an intergalactic war. Now at the frontlines of a massive, far far away war, he’s sent to the last remaining ship of the losing side. The crew of the ship? All dead. His mission is simple: he must save the good guys from certain doom. From College reject to War Master, Kevin learns he must adapt quickly or billions will die.

    This was published as a Clarkesworld audiobook podcast in 2020.

    Omnibus edition containing:- The Precipice (2001)- The Rock Rats (2002)- The Silent War (2004)