Science Fiction Time Travel

Have you ever worried about your memory, because it doesn't seem to recall exactly the same past from one day to the next? Have you ever thought that the whole universe might be a crazy, mixed-up dream? If you have, then you've had hints of the Change War.

The Sky Door… A test flight. A mysterious rift. A journey across time that will change two lives forever. When Lieutenant Jessica Monroe breaks the sound barrier in the Navy's experimental X-99 fighter jet, she expects to return to base with performance data—not crash-land in 1875 Montana. Stranded in a world of horse-drawn carriages and frontier justice, this elite pilot must adapt her 21st-century skills to a harsh landscape where her technology is useless and her very presence is suspicious. Ethan Blackwood, a former sheriff haunted by tragedy, discovers the strange woman in uniform ...

It’s morning as usual at the Skidmore household—until Charles Lindbergh, the famous historical pilot, appears in their living room. Jonah can hardly believe his eyes—and then Lindbergh grabs Katherine and vanishes again. And that’s not all. Chip, Andrea, and all the other children from the plane have disappeared too. And worst of all, Jonah’s parents and all the other adults in his town have de-aged into children. Jonah is the only one left, and the only one who can save everyone.

A groundbreaking discovery. A shattered timeline. A desperate race to find home. When a group of brilliant scientists unlocks the secrets of time travel, their first journey back in time goes horribly wrong. A malfunction in their device hurls them into the farthest reaches of the multiverse, where they must navigate fractured realities, paradoxes, and unknown dangers. Each new world they encounter brings its own challenges, pushing them to their limits and forcing them to confront their deepest fears. As they struggle to find their way back, the team realizes that the multiverse is more ...

The greatest scientific challenge of our age wasn't to enable time travel, it was to prevent it. The laws of physics had turned out to be idiotic, erecting no barriers to hopping time. In fact, they make it hard to avoid. I'm in the business of preserving the timeline - making sure the world sticks to the sacred rule of One Second per Second, and that history unfolds according to plan. The problem is, there is no plan until I make it.

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?

“There are people who enjoy watching kids being killed—and eaten—by dinosaurs.” Kayce shrugged matter-of-factly. “We try to deny them that pleasure.” It’s called Dinosaur Run, and it’s the most vicious, most twisted sport ever conceived. Attractive, athletic teenagers are snatched off the streets and transported 150 million years back in time—to the age of dinosaurs—allowing wealthy spectators to gamble on who’ll be the first to go, who’ll last longest, and who’ll be … eaten … by what. But this time they’ve picked the wrong group of kids to mess with. Don’t...

James Robert Scott was 13 when his parents died in an aircar crash and two years later his last remaining immediate family member, his grandfather a Nobel prize-winning physicist disappeared without a trace. On the day of his 19th birthday, a man with a stainless steel briefcase cabled to his wrist waited outside his classroom door. The letter contained in the case was addressed to James and was postmarked March of 1888, 157 years in the past. The letter indicated that the elder Scott was lost somewhere in time and contained the location of the Time Machine and access codes to the ...

In December of 1282, English soldiers ambushed and murdered Llywelyn ap Gruffydd, the Prince of Wales. His death marked the end of Wales as an independent nation and the beginning of over seven hundred years under the English boot. < Footsteps in Time is the story of what might have happened had Llywelyn lived. And what happens to the two teenagers who save him.

Contains three complete, novel-length books in the Middle Falls Time Travel series: The Empathetic Life of Rebecca Wright, The Successful Life of Jack Rybicki, and The Many Short Lives of Charles Waters.

On November 2nd in the year 2000 a man with the alias TimeTravel_0 posted a message on an internet discussion board called the Time Travel Institute Forum. He claimed to be a soldier from 2036 who was part of a military time-travel project. His name was John Titor. Over the next four months, Titor’s 570 internet posts would describe an upcoming civil conflict over a U.S. presidential election, which led to a period of chaos, famine and global nuclear war. His mission was to retrieve an IBM 5100, a model which features a hidden ability to “speak” multiple code languages. The Plan was ...

Any fool can destroy the timeline. Fixing it requires nerves of steel! Minju Chen survived the coup with her secret identity intact. Her plans are in tatters, but that won’t stop her from trying again to take control of Alexandria and the quantum facility. Only one person can stop her and she’s stuck in a hospital bed. Neith Salah has a bullet in her head and has lost her ability to communicate. Which is a problem, as she is the only person who remembers Minju’s true identity. There is a plan to restore Neith’s language, but it requires Julius Strathclyde and the traitor Clio Masoud...

After stumbling upon a portal.... ... a universe of magic and science exploration becomes possible, and life is never the same again. Bored in science class for the hundredth time, Noah stares out the window until a strange noise catches his attention—one that no one else seems to hear. Following the sound, he sneaks out, only to find a gateway to another dimension right before his eyes... and then it all gets a little crazy... But just when Noah fears he’s destined to be trapped in a parallel universe all alone, he discovers a world brimming with new friends, wondrous discoveries, and ...

It's spring in Burgundy. The flowers are out and so are the cardinals - of Pope Urban's renegade papacy, now on the run from the Vatican's would-be usurper Borja. Most of the Church's senior leaders have converged upon the city of Besancon, where the Pope plans to offer an ecumenical olive branch to the other Christian denominations with which Rome has been at war. Fortunately, Urban has up-time help. He can rely upon Cardinal-Protector Larry Mazzare's theological savvy, Sharon Nichols' medical skills, and her husband Ruy Sanchez's keen-eyed experience as a bodyguard-in-chief.

The gripping adventure of an alien society's disintegration. The first technological race in the early universe created an egalitarian society out of the ruins of planet-wide destruction. It lasted for three hundred years, quietly managed and manipulated by an AI. When a new leader seizes power, self-preservation becomes a struggle. An AI determined to maintain the status quo and a dangerous new leadership clash violently. A scientist, Daxx, and his biologist partner, Janna, are thrown into the fray when they discover a mutation that makes free, unlimited power a possibility. Both sides of ...

Ehd's a caveman living on his own in a harsh wilderness. He's strong and intelligent but completely alone. When he finds a beautiful, young woman in his pit trap, it's obvious to him that she is meant to be his mate. Elizabeth doesn't know where she is or exactly how she got there. She's not at all interested in Ehd's primitive advances, and she just can't seem to get him to listen. No matter what she tries, getting her point across to this primitive but beautiful man is a constant - and often hilarious - struggle.

This second novel in the Miss Peregine's Home for Peculiar Children series begins in 1940, immediately after the first book ended. Having escaped Miss Peregrine's island by the skin of their teeth, Jacob and his new friends must journey to London, the peculiar capital of the world. Along the way, they encounter new allies, a menagerie of peculiar animals, and other surprises. Complete with dozens of newly discovered (and thoroughly creepy) vintage photographs, this new adventure will delight fantasy fans of all ages.

An impossible journey. A battle for survival. A search for home. As mankind struggles for survival, a stunning new discovery changes everything. The enemy they face is far more dangerous than they had assumed. The threat from the malevolent Artificial Intelligence reaches terrible new proportions, threatening the very existence of humanity. The full nature of the threat is finally revealed, but with the revelation comes a slender ray of hope. The path to salvation becomes clear; a path that will traverse the galaxy and lead our wandering heroes home, provided they can survive the almost ...

Evan Wright had her life mapped out: college, science, success. But when she discovers she can slip into the past just by immersing herself in a single moment of history, everything she believed is shaken. With each journey, Evan uncovers hidden truths about her family, her friends, and herself, forcing her to question the life she's always wanted. Alongside a magnetic young History professor, she finds herself drawn into mysteries of the past that are as thrilling as they are dangerous. Now, Evan must decide: will she let the past shape her, or forge her own future?

Unwitting time traveler Joseph Bridgeman is adjusting to life in the present and wondering if his traveling days are behind him. But when he’s contacted by the Continuum, an organized group of time travelers based in the future, he learns his career is just getting started. The Continuum needs Joe’s help. One of their operatives is missing, last seen in 19th-century Paris, and they believe Joe’s ability to see the past might be the only way to find him. Teamed up with Gabrielle Green, an acerbic, wisecracking traveler, Joe heads back to 1873 on his most dangerous mission yet.