Science Fiction Time Travel

Special Agent Stella York watched a man die in the middle of the interstate. But he didn’t stay dead for long. When a rookie FBI agent is tasked with solving a series of bizarre murders in Saint Petersburg, Florida, her case is going nowhere. The evidence is contradictory, the timeline is impossible, and if she doesn’t solve it soon, someone she knows will die. But how can she race a clock that’s running backward?

Jon's growing concern with what he sees as a corrupted time line is beginning to look like an obsession. Yeah, those never end well. Every attempt he tries to repair Earth's post-resurrection time line only make time/space worse. The impossible and the hazardous are happening everywhere in the universe. Not only that, but they are occurring with ever-increasing frequency and bone-chilling severity. Even Jon's minor tweaks to past events backfire with an intensity that would give pause to a normal person. But not Jon Ryan! The man's relentless.

I've done some stupid things in my time. I've been reckless. I've broken a few rules. But never before have I ruined so many lives or left such a trail of destruction behind me. As Max would be the first to admit, she's never been one for rules. They tend to happen to other people. But this time she's gone too far, and everyone is paying the price. Grounded until the end of time, how can she ever put things right?

On their way to fight in the Mexican-American War, a group of American soldiers are swept away to a strange and deadly alternate Earth in this thrilling new adventure set in the world of the New York Times best-selling Destroyermen series.

Listen to the first three books in the medieval time travel romance series listeners call addictive: A Knight to Remember, Knight Moves, and Lonely Is the Knight.

Roy Court and his crew are taking the trip of a lifetime—several lifetimes in fact—duplicated and dispatched across the galaxies searching for Earthlike planets. Many possibilities for the future. Yet for Roy, no matter how many of him there are, there’s still just one painful, unchangeable past. In what world can a broken relationship be reborn? The universe is so vast, there’s always room for hope.

In a not-so-distant future, Earth is at the mercy of a rogue quantum AI, with the power to manipulate time, space, and reality. This once-benign creation has gone off the rails, turning our world into a chaotic, dystopian landscape straight out of a video game. Amidst this madness, Liam, an ordinary man, is thrust into the role of Earth's unlikely savior. Tasked with rebooting the entire planet, he must navigate a world where the rules of physics are as malleable as the whims of the AI that controls it.

The Enigma Cube is an alien object of unlimited power, with technology that can catapult civilization to dizzying heights - or destroy it entirely. Kelly Connolly and Justin Boyd are determined to wield its power for good. But China has a cube of its own, and its motivations are much less benign. Otto Richter is an unparalleled genius. To save his own life and reunite with Kelly and Justin in 2027, he's forced to travel back to ancient Rome. But when he arrives things go horribly wrong. Now their reunion can take place only in the past.

Once, Esta believed that she could change the fate of magic. She traveled to the past and stopped the Magician from destroying a mystical book that held the key to freeing her people from the Brink, an energy barrier that traps all Mageus who cross it. But the Book was more than she bargained for. So was the Magician she was tasked to steal it from. Hunted by an ancient evil, Esta and Harte have raced through time and across a continent to track down the powerful artifacts they need to bind the Book’s devastating power.

Then: First Lieutenant Sean Elliott and nine other mixed-service US soldiers on a convoy in Afghanistan suddenly found themselves and their MRAP vehicle thrown back to Earth’s Paleolithic Age. And they were not alone. Displaced Romans, Neolithic Europeans, and more showed up as well. Some would be allies. Some became deadly foes. Now: Scientists from an almost unimaginably far future need the survivors’ advice and support to reconnoiter and ultimately recover other groups displaced in time.

Grieving her best friend's recent death, neuroscientist Mariana Pineda’s ready to give up everything to start anew. Even her career—after one last week consulting at a top secret particle accelerator. Except the strangest thing happens: a man stops her…and claims they've met before. Carter Cho knows who she is, why she's mourning, why she's there. And he needs Mariana to remember everything he’s saying.

Howard Lester, a young scientist, becomes obsessed with the problem of death and begins a series of unconventional experiments aimed at increasing human longevity. In the course of their research, Lester and his friend Sir Henry Littleway make a startling discovery: A simple, harmless operation on the brain's prefrontal cortex results in vastly expanded consciousness and mental powers.

After traveling through history multiple times and finding out his original identity, Jonah thought he'd fixed everything. But some of his actions left unexpected consequences. His parents - and many other adults - are still stuck as teenagers. And now Jonah has a new sibling, an identical twin brother named Jordan. As odd as all this is for Jonah, it's beyond confusing for Jordan. How does everyone in his family have memories of Jonah when he doesn't?

Four exciting novelisations of classic TV stories in which the Doctor and his companions traverse the Fourth Dimension. This collection includes Doctor Who: The Space Museum, Doctor Who and the Day of the Daleks, Doctor Who: City of Death and Doctor Who: The Two Doctors.

When Raisa Hopeland, determined to win her race to become the next electromancer of London, bumps into Amon Brightbourne―tweed-suited, otherworldly, guided by the Grace―in the middle of a London riot, she sets in motion a series of events which will span decades, continents, and a series of events which will change the world.

In the distant future, kid-genius Robin Hood has invented amazing time-traveling technology! Except his company only wants to use the tech to make sure history stays exactly the same. So Robin decides to take matters into his own hands, jump through time, and help people throughout the ages!

It’s the year 2022. Dani Peterson has been walking in the west of Ireland, conducting historical research for her dissertation. But when she seeks shelter from a storm in Aideen O’Brien’s car, she gets more history than she bargained for. Aideen is a Time Link, with secret access to time travel technology. She sends Dani to 1978 to meet a younger version of herself. The two fall in love and Dani joins Aideen in her work. Their boss is a man from 2253 named Charles Burke, who says his mission is to save the future.

The magic tree house has returned, and it's taking Jack and Annie back in time to Alaska, 1925. There they meet Balto, a jet-black Siberian husky destined to save victims of the diphtheria epidemic. But the trail isn't easy, and Balto is going to need Jack and Annie's help!

After traveling to Scotland for a solo artist's retreat, Fiona Stewart finds herself mysteriously transported to the fourteenth century. But as she attempts to get back to her own time, complications ensue when she meets a highlander who sets her heart aflame.... Forced into an engagement with the daughter of a rival clan leader, Eadan Macleay struggles to fulfill his promise to his dying father. When he comes across a strange lass claiming to be from the future, he strikes a deal with her. If she poses as his bride to end his betrothal, he will help her return to her own time.

Adrienne had everything. The friends, the clothes, the college acceptance letter, not to mention a healthy social calendar. Then, one stupid mistake has her packing her bags to spend the summer with her estranged mom in Santorini.