Science Fiction Time Travel

Mostly, he's accomplished this antisocial feat by exterminating them because they posed a threat to galactic peace or common decency. As with any action, there can be an equal and opposite reaction. Now, a fundamental force of existence named Xyándor is after Jon. You see, Xyándor's sole purpose is to spawn chaos. So he's dead set on killing Jon because our hero snuffs out chaos on a routine basis. Most likely, this Xyándor character must've had a really troubled childhood, right?

The world she knew is gone. The climate crisis that doomed her future hasn't begun yet, but neither has the fight to stop it. Stranded decades before disaster, Sara must convince a skeptical world to change course before it’s too late.

Shannon Moss is part of a clandestine division within the Naval Criminal Investigative Service. In western Pennsylvania, 1997, she is assigned to solve the murder of a Navy SEAL's family - and to locate his vanished teenage daughter. Though she can't share the information with conventional law enforcement, Moss discovers that the missing SEAL was an astronaut aboard the spaceship USS Libra - a ship assumed lost to the currents of Deep Time. Moss knows firsthand the mental trauma of time travel and believes the SEAL's experience with the future has triggered this violence.

In the four years since he traveled through time to save the world, Quinn Black has settled happily into life as a new space race billionaire, despite the fact he’s no longer able to travel or loop time. But before long, things start to go horribly wrong. The system he created to save the planet mysteriously begins to malfunction. His team receives a cryptic message, and he’s hurled back into the past once again...but with a twist. Now, instead of trying to go back in time, he’s desperate to travel in the other direction and get back to the future.

After slipping 150 years into the past, modern-day homicide detective Mallory Atkinson has embraced her new life in Victorian Scotland as housemaid Catriona Mitchel. Although it isn’t what she expected, she's developed real, meaningful relationships with the people around her and has come to love her role as assistant to undertaker Dr. Duncan Gray and Detective Hugh McCreadie. Mallory, Gray, and McCreadie are on their way to the Scottish Highlands for McCreadie's younger sister's wedding.

Hallucination... or time travel? One man alone against the cosmos, creating his own reality! Exiled on Mars! Johnsmith Biberkopf escapes from a penal colony on the Red Planet and learns that his hallucinations are real - space and time can be manipulated. Kidnapped by Vikings who have sailed through the continua since ancient times, Johnsmith embarks on an epic adventure, an infinite journey through the multiverse. Facing alien menaces, he learns the terrifying truth about the power of illusion.

A long time ago in the future, the secret of time travel became known to all. Unsurprisingly, the world nearly ended. There will always be idiots who want to change history. Enter the Time Police. An all-powerful, international organisation tasked with keeping the timeline straight. At all costs. Their success is legendary. The Time Wars are over. But now they must fight to save a very different future - their own. This is the story of Jane, Luke and Matthew - the worst recruits in Time Police history. Or, very possibly, three young people who might change everything.

Jack and Amnie are taken on a series of adventures by the Magic Tree House, accompanied by companions such as Teddy, the enchanted dog. With the Magic Tree House, you can experience far away places like Australia and learn about the past on a whirlwind tour through the history books.

A devastating attack by the lich Quatach-Ichl has left Zorian and Zach reeling as their remaining restarts tick away. As they recover, they make preparations for their final confrontations with Red Robe, the lich, the primordial being, and the invaders—all within the shadow of a question they can’t answer: can Zorian and Zach both survive outside the time loop? When the time loop is broken, sacrifices will be made, bonds will be tested, and trust will be more important than any magical skill or power—and even then, success is not guaranteed.

A lost boy. Eight gutsy commandos. A world filled with dinosaurs. Chances are, no one’s making it home alive … Fourteen-year-old Chase leads a team of commandos back to the age of dinosaurs to rescue a missing boy. The lost kid’s best friend, Chase is the one person able to step into Zach’s shoes, guess what he was thinking, and track him down again. It’s supposed to be a quick trip. Get in, find Zach, and get back out again. But Chase already knows that nothing’s ever certain in a world filled with dinosaurs. And that when things can’t possibly get any worse … they always ...

Among the ashes of a dying world, an agent of the Commandment finds a letter. It reads: Burn before reading. Thus begins an unlikely correspondence between two rival agents hellbent on securing the best possible future for their warring factions. Now, what began as a taunt, a battlefield boast, becomes something more. Something epic. Something romantic. Something that could change the past and the future. Except the discovery of their bond would mean the death of each of them. There’s still a war going on, after all. And someone has to win. That’s how war works, right?

Whether you’re dreaming of galactic empires, magical kingdoms, or dystopian futures, this comprehensive guide will help you bring your imagined worlds to life—and keep readers turning pages. Writing Science Fiction and Fantasy is your essential companion for crafting compelling characters, building immersive settings, and mastering the tools of powerful storytelling. You’ll learn: Worldbuilding Creating magic systems and technologies that feel real Pacing, suspense, and scene structure Character arcs, voice, viewpoint, and more How to write each genre, from time travel to high fantasy...

The Scalians are back! In another surprising twist, the end of "The Scalian Legacy" was not as it seemed, and humanity is still in grave danger. In Nagaran's Revisals, Admiral Tarza matches wits once more with humanity and their allied species for control of the galaxy and time itself. Timelines change rapidly, and the theater of battle spans several millennia in this fast-paced space odyssey. Jack Felder, his brothers, Anterian Rivas, Doctor Simon and other entertaining figures from the original book are joined by new characters as the epic adventure expands and the mysteries of Scalia's ...

In the late 22nd century, people can extend their lifespans, or simply take a holiday from their lives, by buying themselves extra months or years in the Chronosphere, a place where time moves half a million times slower than in the real world. This series follows the adventures of Raffi Delgado and his friends in the thrilling, dangerous world of the Chronosphere. It's been half a year since the 'Temp-Al Five' escaped the Chronosphere, but something, somewhere, is pulling them back. Time, it seems, has healed nothing. In the thrilling finale of the Chronosphere trilogy, hoverbiker Raffi ...

Among the ashes of a dying world, an agent of the Commandant finds a letter. It reads: Burn before reading. Thus begins an unlikely correspondence between two rival agents hellbent on securing the best possible future for their warring factions. Now, what began as a taunt, a battlefield boast, grows into something more. Something epic. Something romantic. Something that could change the past and the future. Except the discovery of their bond would mean death for each of them. There's still a war going on, after all. And someone has to win that war. That's how war works. Right?

Ten years ago, the 20th century and the Bronze Age were tossed together by a mysterious Event. In the decade since, the Republic of Nantucket has worked hard to create a new future for itself, using the technological know-how retained from modern times to explore and improve conditions for the inhabitants of the past

Thrust back into a new conspiracy, Deborah must come to terms with who she is and the love that got away. Fresh off her success in London, Deborah is requested to travel to New York City for the upcoming 1854 Expo. She agrees despite struggling to comprehend all that has happened in London. Her entanglement with the enigmatic Jed, who disappeared after stopping the assassination of Queen Victoria, continues haunting her, but why she doesn’t know? Deborah arrives in New York, unsuspecting of the new danger she is in. She knows life is about to spice up when Jed mysteriously reappears with ...

Life is good for Team Weird, now heroes and fully fledged Time Police officers. Luke can't wait to bear arms. Jane has a date. And Matthew still hasn't had his hair cut. But Time waits for no one, and neither do criminal masterminds. A major threat to the Timeline is looming, one far deadlier than mere idiots who want to change history. And when a familiar face becomes a Very Important Lead, will conflicting family loyalties spell trouble for Team Weird?

After years of bitter struggle, Trantor had at last completed its work - its Galactic Empire ruled all 200 million planets of the Galaxy...all but one. On a backward planet called Earth were those who nurtured bitter dreams of a mythical, half-remembered past when the planet was humanity’s only home. The other worlds despised it or merely patronized it - until a man from the past miraculously stepped through a time fault that spanned a millennium, living proof of Earth’s most preposterous claims.

"A Second Dawning" is a Science/Historical fiction story of two young men, discouraged by their current situation, who choose to go to a different time and place. They travel to the late Civil War period looking for their Great, Great Grandfathers. But sometimes, choices made can have results that weren't anticipated and cause events that affect future generations. This is the story of two friends, their actions and how they deal with their new realities. "A Second Dawning" is the sequel to "A Picture on the Wall."