Science Fiction Time Travel

Mike Mulvaney, a scientific prodigy who spent four years as a Maine after his father was almost killed in 9/11, went for a hike in the Adirondacks. He unknowingly walked through a star gate or portal to another world. The planet Cornu was settled by humans in the distance past who came through gates from Earth. There were changes to human genes that strongly influenced human society. More women than man dictated multiple wives. Low fertility and birthrate with low population growth limited large scale conflicts.

King David of England and King Philip of France face a holy war neither man wants to fight....

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.

She was born with a secret. She swore to never reveal it. But will love test that oath? Gemma is a time spirit. She can travel through history in a blink. What if people knew her powers? Would they try to abuse her gift? Life as a high school loner isn't so bad. But will Harrison change all of that? He seems to like her and falling for him is impossible to resist, but can she keep her secret? Breaking her oath will have dire consequences.

Victorian Scotland is becoming less strange to modern-day homicide detective Mallory Atkinson. Though inhabiting someone else’s body will always be unsettling, even if her employers know that she’s not actually housemaid Catriona Mitchell, ever since the night both of them were attacked in the same dark alley 150 years apart. Mallory likes her job as assistant to undertaker/medical examiner Dr. Duncan Gray, and is developing true friends—and feelings—in this century.

As the months in the time loop seem to add up without end, Zorian forms alliances with acquaintances old and new in an effort to solve the mystery of the loop and save his city—maybe even the world—from destruction. But while his mage skills develop and he pursues more advanced and unusual forms of magic, Zorian must battle necromancers, fanatical cultists, and vicious creatures—all while avoiding the attention of the lich who could kill him...permanently.

Edwin Miller is uncertain. Not about any one thing, but about every thing. He's smart, capable, and completely unable to move forward in his life because of his own anxiety. Luckily for Edwin, he lives in Middle Falls, Oregon, where the apparent end is often just a new beginning.

Fans have long wondered what happened to Ahsoka after she left the Jedi Order near the end of the Clone Wars and before she reappeared as the mysterious Rebel operative Fulcrum in Rebels. Finally her story will begin to be told. Following her experiences with the Jedi and the devastation of Order 66, Ahsoka is unsure she can be part of a larger whole ever again. But her desire to fight the evils of the Empire and protect those who need it will lead her right to Bail Organa - and the Rebel Alliance.

Still haunted by the disappearance of his little sister, Amy, over 20 years ago, Joseph Bridgeman’s life has fallen apart. When a friend talks him into seeing hypnotherapist Alexia Finch to help with his insomnia, Joseph accidentally discovers he can time travel. His first trip only takes him back a few minutes, but his new-found ability gives him something he hasn’t felt for the longest time: hope.

Who controls reality? And how? Ask the timedivers who ride the paths of time, manipulate cultures, lift and cast down civilizations in their corner of the galaxy. They are the Temporal Guard at Quest, the single city of the Immortals of Query, that hidden planet circling a very ordinary yellow sun in a very ordinary galaxy. This is the story of the timediver Loki, and of the unending war for control of reality in that galaxy.

Alex Hawk has trained the far-flung armies of Kragdon-ah. Now, Alex and his armies will face a fanatical enemy bent on taking over all of Kragdon-ah. Can the armies of Kragdon-ah stand up to the giant Northmen, or will they need help from an unexpected source?

When a portal to a lush and perilous new realm known as Lost Eden is uncovered, a small team embarks on a daring expedition—only to find themselves embroiled in an epic conflict for the future of this untamed paradise. As the ruthless Amicus Corporation sets its sights on the untold riches of Lost Eden, one man stands resolute against them: Ben Pepper. With unwavering determination to protect this pristine world from exploitation, Ben must navigate a treacherous landscape filled with prehistoric predators and lurking horrors.

A cave-diving expedition gone wrong. Oh so wrong. But there just might be a few perks... When a hidden portal opens into a prehistoric world, it's up to me, Professor Jake Montblanc, to save my all-girl college class from extinction. With danger lurking in the jungle and survival on the line, what am I supposed to do with twelve horny college babes? Protect them. Build them shelter. Make them as happy as possible.

On Karell, you are either blessed by the gods, granted a unique power and the ability to gain experience and levels, or you are forgotten. Micah Silver was a boy picked for greatness. Chosen by the gods to bear a mythic power, he longed to take his place among the heroes and legends he grew up reading about.

Mushu is a small dog, apparently helpless. She is anything but. She is resourceful, clever, and has the memory of a thousand previous lives to help her know what to do. There is a fractured family in dire need of help in Middle Falls, Oregon and Mushu is on her way to help.

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?

In a small back alley of Tokyo, there is a café that has been serving carefully brewed coffee for more than 100 years. Local legend says that this shop offers something else besides coffee - the chance to travel back in time. Over the course of one summer, four customers visit the café in the hopes of making that journey. But time travel isn’t so simple, and there are rules that must be followed. Most important, the trip can last only as long as it takes for the coffee to get cold.

Having just celebrated her 26th birthday in 1976 California, Dana, an African-American woman, is suddenly and inexplicably wrenched through time into antebellum Maryland. After saving a drowning White boy there, she finds herself staring into the barrel of a shotgun and is transported back to the present just in time to save her life. During numerous such time-defying episodes with the same young man, she realizes she's been given a challenge.

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.

As the combat escalates across the galaxy, the stage is set for an explosive endgame: Obi-Wan undertakes a perilous mission to destroy the dreaded Separatist military leader General Grievous. Palpatine, eager to secure even greater control, subtly influences public opinion to turn against the Jedi. And a conflicted Anakin, tormented by unspeakable visions, edges dangerously closer to the brink of a galaxy-shaping decision.