Science Fiction Time Travel

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.

When the unthinkable happens, Seffy faces the worst apocalypse she could ever imagine. Will her friends force her into an off-brand solution that brings only the illusion of peace from heartbreak? Or will she follow in the footsteps of her namesake and get her second chance after all?

Edwin St. Andrew is eighteen years old when he crosses the Atlantic by steamship, exiled from polite society following an ill-conceived diatribe at a dinner party. He enters the forest, spellbound by the beauty of the Canadian wilderness, and suddenly hears the notes of a violin echoing in an airship terminal—an experience that shocks him to his core.

It's Christmas Day 1066 and a team from St Mary's is going to witness the coronation of William the Conqueror. Or so they think... However, History seems to have different plans for them and when Max finds herself delivering a child in a peasant's hut, she can't help wondering what History is up to.

You can't escape your worst enemy – he knows you better than you know yourself. A mysterious message from the future saves the lives of Dr. Marc Jensen’s family. The next morning, however, his entire research material about tachyons is gone – and with it, the proof that these obscure particles even exist. Ten years later, the past catches up with Dr. Jensen: Fragments of his work suddenly reappear, fellow researchers die, and his daughter is kidnapped. To save her, he must confront an all-powerful enemy who always seems to be one step ahead of him. Even worse: If Jensen fails, the ...

"What kind of world is this?" It’s five years later, and Tom Cook is living a “normal” life with his Neanderthal family 40,000 years ago. But when a life-threatening crisis strikes his daughter, Tom decides to carry her to the future for the medical help she desperately needs. And in the process, he’s entangled in a modern world very different from the one he left behind. Now, caught up in a secret plan to exploit his daughter’s unique Neanderthal DNA, Tom must find a way to save everything he loves and cherishes. If you're a fan of the time travel novels of Jack Finney (Time and ...

Dr. Tyson Klein is a quantum physicist who has dedicated his entire life to his research. At CERN, he analyses data generated by the Large Hadron Collider, the world's biggest and most powerful particle accelerator. Now, Ty believes he's found a pattern in its output. It looks like an organised data stream, being broadcast over what he calls a quantum radio. Could it be a signal from another universe? A message sent from the future? Or something else entirely?

Welcome to Book Four of this time-travel series. You have already been through more time portals than we knew existed as we follow Jonathan and Denise through some thrills and drama and suspense. More to come in this book so look out for the twists and turns that you have come to enjoy. Remember Jonathan and Denise love every minute of it.

A flash of lightning, quivering ground, and, instead of her grandparents' farm, Polly sees mist and jagged mountains - and coming toward her, a group of young men carrying spears. Why has a time gate opened and dropped Polly into a world that existed 3,000 years ago? Will she be able to get back to the present before the time gate closes - and leaves her to face a group of people who believe in human sacrifice?

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.

"Time works within a precise set of rules. There are consequences to every single thing we do when surfing its waves. So, in order to protect Time, we must operate within those rules. And one of Time's rules is that people should not be allowed to live out of their own time. Ever." Out of time Novitiate at the Royal Academy of Time Surgeons, Mimi Wylde has just one thing on her mind. To save her family from the machinations of Sergei Ivanov. But Time is never that linear. Her family is not really her family. And the Russian is not all that threatens RATS. Parliament is meddling in the ...

Drake, a retired police detective, receives a call in the dead of night from an alien-obsessed podcaster. He hastily departs for Montana the following morning. The phenomenon continues all over the globe. What are they? What do they mean? Britt is on assignment for a digital magazine when she encounters one of the Glass in a tragic boating accident, leaving her no choice but to follow the lead. Panic ensues as mysterious creatures are sighted.

Joseph Colsco, Mark Caldwell, and Heather Chen. Cast away by aliens onto a planet inhabited by humans, transplanted there by a second alien race thousands of years in the past, and for reasons unknown. Each of the three found themselves left naked on beaches scattered across the planet Anyar. Each struggled to survive as strangers amidst humans with technology centuries behind Earth’s. Each lived through years of adjustments, trials, dangers, and new lives beyond anything they could have imagined - or feared.

In modern-day New York, magic is all but extinct. The remaining few who have an affinity for magic - the Mageus - live in the shadows, hiding who they are. Any Mageus who enters Manhattan becomes trapped by the Brink, a dark energy barrier that confines them to the island. Crossing it means losing their power - and often their lives. Esta is a talented thief, and she's been raised to steal magical artifacts from the sinister Order that created the Brink.

After 20 years away from Kragdon-ah, Alex Hawk and his daughters return to the future. They find invaders with guns in great numbers. Now, Alex will take the fight to those invaders in their own homeland. He must face a superior force with more advanced technology. The battle will be for the very soul of Kragdon-ah. Can Alex Hawk and his mighty dog Monda-ak survive their greatest challenge?

It's sink or swim for Jack and Annie when Magic Tree House whisks them off to the middle of the ocean. And that's just the beginning....

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 group of misfits, led by a man who has lost everything that matters in his life, are offered a second chance: As part of an alien experiment, they must take a leap into the unknown, to a place where they and everything they have will be needed. They find themselves in the middle of the American Revolution at it's most desperate hour. Some of them seek wealth and power. Some seek to avoid conflicts which were to later wound the United States deeply, issues of slavery, the rights of native Americans and human rights. Some have their own agenda. As they go into action, they deal with men who...

The members of the Polaris Project knew what they were giving up when they volunteered to fly to the star named Angel-21, but the allure of being the first explorers to leave the Solar System far outweighed the risks. As it turned out, the most dangerous thing they faced wasn't the mission, it was the homecoming. Eight hundred years have passed, and Earth is nothing like they thought it would be.

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.