Science Fiction Time Travel

When Lex notices an inky presence darkening Marcus' eyes, she discovers he's no longer what he seemed. Almost too late, she realizes that the man she has entrusted with both her heart and her life is now her greatest threat. Seeking safety, Lex is forced to draw on her god-like powers and flee to the ancient past. Hiding in plain sight, Lex takes on the identity of the goddess Hathor as she struggles to blend in thousands of years before her own time. But the safety she sought proves elusive.

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.

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!

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.

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.

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?

The dying Empire's most cunning and ruthless warlord, Grand Admiral Thrawn, has taken command of the remnants of the Imperial fleet and launched a massive campaign aimed at the New Republic's destruction. With the aid of unimaginable weapons long hidden away by the Emperor on a backwater planet, Thrawn plans to turn the tide of battle, overwhelm the New Republic, and impose his iron rule throughout the galaxy.

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.

Dan Gutman has won a wide and growing audience among young readers, who have eagerly devoured all the books in the sports-loving author’s Baseball Card Adventure series. In Ted & Me, time-traveling Stosh has finally been found out by the FBI. Tasked with using his Ted Williams card to go back to 1941 to prevent the attack on Pearl Harbor, Stosh also seizes on the chance to help the Splendid Splinter add even more home runs to his already legendary tally.

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.

Caitlin has disappeared and someone has changed history. Lost in an alternate reality, Josh must discover who has disrupted the timeline and try to fix the continuum. But there's a problem. The Order has become divided over an old manuscript which describes the Maelstrom—a chaotic realm filled with ancient gods that exists outside of the timestream. One faction believes that Josh will be the key to unlocking its power, the other that he needs to die to save them from oblivion. Josh must find Caitlin and a way into the maelstrom, discover the author of the book and rewrite the prophecy.

Private Detective Greyson Travers has a secret, but he isn’t the only one. When a stunning widow asks him to investigate the suicide of her husband, Greyson plans for an easy resolution. But a quick look into the past gets dangerous for his future. He isn’t the only one interested in the case, and the longer he’s involved, the more victims turn up dead.

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....

Almost a year has passed since Stella and Tom discovered a time tunnel and travelled to early 1900s London, where they befriended Emma, Lucy ,and Jack. The magical moles that made the tunnel and secret lake appear have since vanished, but the children are longing to meet again. Then an illness, which puts Emma’s life in danger, changes everything. The moles reappear, just when needed, and Lucy realizes the only hope of finding a cure lies in the future.

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.

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.

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?

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.

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.

Esta isn’t a stranger to high-stakes heists. She’s a seasoned thief who has no reservations about using her affinity for time to give her an edge, and she’s trained her whole life for one mission: travel back to 1902 New York, steal the ancient Book of Mysteries, and use its power to destroy the Brink and free the Mageus from the Order’s control. But the book held a danger that no one anticipated - Seshat, an angry goddess, was trapped within its pages.