Science Fiction Time Travel

In 1968, Charlotte Vance was one of the few women employed by the National Security Agency in Washington, D.C. She put in long hours and was working when a fire started in her home. Her daughters and husband were killed. For 50 years, she has felt responsible for their deaths. In 2018, when a former colleague from the NSA mentions a top secret government agency that is experimenting with time travel, she decides to apply.

Libby has been given a powerful gift: to live one life in 1774 colonial Williamsburg and the other in 1914 Gilded Age New York City. When she falls asleep in one life, she wakes up in the other without any time passing. She has one conscious mind but two very different lives and bodies.

Critically acclaimed author Margaret Peterson Haddix continues her best-selling Missing series with Sent. Just as best friends Chip and Jonah discover they're actually children kidnapped from history, they get sent back to their proper time period. Now in the 15th century, Jonah realizes he's Edward V, the king of England, and Chip is his younger brother Richard, the Duke of York. Both boys know they need to find a way home fast, because they know their history - Edward and Richard were murdered.

Lise Adams is a young woman attempting to uncover the mystery of her father's disappearance ten years earlier. Turk Findley is an ex-sailor and sometimes-drifter. They come together when an infall of cometary dust seeds the planet with tiny remnant Hypothetical machines. Soon, this seemingly hospitable world will become very alien indeed--as the nature of time is once again twisted, by entities unknown.

Travel to other planets is now a reality, and with overpopulation stretching the resources of Earth, the necessity of finding habitable worlds is growing ever more urgent. There’s a problem though—because the spaceships are slower than light, any communication between the exploring ships and Earth would take years.

Tom and Pat are identical twin teenagers. As twins they’ve always been close, so close that it seemed like they could read each other’s minds.

Sam watches the demonic forces of darkness as they engulf and destroy the land of Westria. The final battle is over. Or so Sam thinks. In the last moments before the world’s end, Sam is given a second shot to save everything he holds dear. He’ll be sent back in time. Reincarnated into his younger self and armed with knowledge of the future, Sam will have the power to undo past mistakes and give the people of Westria a fighting chance against the impending apocalypse.

Quinn Black thought his work was finished. After all, in the years since he discovered he could time travel, he saved the human race from disaster and restored hope to the world. At least in the current timeline of the universe. Out in the multiverse, the Earth—and everyone he loves—is in trouble again. Someone sent Quinn's team a video begging for help. If Dr. Green's assessment of reality is correct, how will he find his way home if he gets lost in the vast expanse of the cosmos? However, the alternative might be worse.

The eighth book in the bestselling Chronicles of St Mary's series which follows a group of tea-soaked disaster magnets as they hurtle their way around History. If you love Jasper Fforde or Ben Aaronovitch, you won't be able to resist Jodi Taylor.

Kenna McMillan would do anything for her grandchildren. She would even accompany one of them hundreds of years into the future for a week of Christmas celebrations with the old witch Morna, just to make him smile. But unexpected guests at the inn upend all of their holiday plans. As she learns more about her new acquaintance, she starts to wonder if her week away might take a romantic turn....

A formidable alien armada stands on the brink of vanquishing the cosmos, their gaze set firmly on every inhabited world. The last line of defense? An eclectic crew of improbable champions: a maverick starfighter pilot, a daredevil stuntwoman, a lethal super-assassin, and a cosmic prankster with alien tricks up his sleeves. Their mission is to shield not just humanity, but billions of other intelligent lifeforms spanning the multiverse.

Intelligence agents have uncovered something which seems beyond belief, but the evidence is incontrovertible: The USA's greatest adversary on the world stage is sending its agents back through time! And someone, or something, unknown to our history is presenting them with technologies - and weapons - far beyond our most advanced science. We have only one option: Create time-transfer technology ourselves, find the opposition's ancient source...and take it down.

When Hugo and Neve settle in Paris, they assume that they will enjoy a few peaceful years away from the turmoil of British politics, but they are not nearly as safe as they believe themselves to be, especially since everyone has something to hide. Meanwhile, Max must learn to adapt to life on a sugar plantation in Barbados, and decide whether to accept help from an unexpected and dangerous source; a decision which may cost him his life.

Forced to return to London to try to save Max from the gallows, Hugo and Neve are well aware of the danger of their situation and try to anticipate every eventuality. But betrayal comes from an unexpected quarter, putting Neve and Hugo in mortal danger, and forcing them to reevaluate whom they can trust. Unexpected reunions, simmering old hatreds, and shocking betrayals abound as Neve and Hugo race against time to help Max and flee England before it's too late.

Nyx was born Hollow. An empty vessel in a world of spirits. Normally, that was a death sentence, yet somehow he survived. He's always been stubborn like that. He's also always been a bit crazy. Which is why, in another life, he did something reckless. He sent himself a message—his memories. Threw them into the Flow from which all spirits return. Besides, Nyx believed in asking hard questions. Like, was reincarnation real?

Convicted criminal James Griffin-Mars is no one's hero. In his time, Earth is a toxic, abandoned world, and humans have fled into the outer solar system to survive, eking out a fragile, doomed existence among the other planets and their moons. Those responsible for delaying humanity's demise believe time travel holds the key, and they have identified James, troubled though he is, as one of a select and expendable few ideally suited for the most dangerous job in history.

Destiny throws her back in time. Can love make her stay? Caroline Sutton doesn’t belong here. Not in the Highlands, and certainly not in the 14th century. Headstrong Caroline hopes an adventure will ease the pain of her parents’ deaths. One minute, she’s standing at the edge of a waterfall, daring her two sisters to jump with her. The next, she wakes up on the shores of a Scottish loch - 600 years in the past. She’s determined to return to her sisters and her own time, but Callum, the rugged Highland Laird who discovers her, has other ideas.

Esta’s parents were murdered. Her life was stolen. And everything she knew about magic was a lie. She thought the Book of Mysteries held the key to freeing the Mageus from the Order’s grasp, but the danger within its pages was greater than she ever imagined. Now the Book’s furious power lives inside Harte. If he can’t control it, it will rip apart the world to get its revenge, and it will use Esta to do it. To bind the power, Esta and Harte must track down four elemental stones scattered across the continent. But the world outside the city is like nothing they expected.

Phoebe Mendel’s day is never ending--literally. On August 6th, she woke up to find herself stuck in a time loop. And for nearly a month of August 6ths since, Phoebe has relived the same day: pancakes with Mom in the morning, Scrabble with Dad in the afternoon, and constant research into how to reach tomorrow and make it to her appointment with a doctor who may actually take her IBS seriously. Everything is exactly, agonizingly the same. That is, until the most mundane car crash ever sends Phoebe’s childhood crush Jess crashing into the time loop.

Stuck between dual realities - charged for a murder he doesn’t recall in one and running from a maniacal billionaire who’s determined to kill him in another - Austin’s monotonous life has become an epic adventure of magic, murder, and political intrigue in both the New Republic of Galiana and the streets of Los Angeles California.

The year is 1989. America has just invaded Noriega's Panama. And Specialist Bennett's platoon of Cav Scouts are in country… with, frankly, not a whole lot to do. Until a freak rainstorm somehow transports the entire platoon—Humvees, weapons, and all—to another world. A world controlled by a wicked Aztec god. The Land of the Black Sun. In a heartbeat, the Scouts find themselves fighting for their lives against savage beasts, witches, zombies, subhuman tribes seeking sacrifices… and even themselves.