Science Fiction Time Travel

A man falls from the sky. He has no memory. He has no sense of self. What lies ahead are a series of tests, each more brutal than the last, and if he gets through them all, he might just reach a town called Discovery.

From the #1 bestselling author of the Noah Hunter series, and Grim Measures, comes the sequel to Edge of Time. Where a former FBI agent and time traveler Brad Sheppard is once again thrust into the quantum realm so there will be a future worth returning to. Former FBI agent and time traveler Brad Sheppard witnesses an impossible murder in the Late Middle Ages, but upon returning to the present, his family has vanished. History has been rewritten. With nothing left to lose, Brad tears through the quantum realm and the centuries, desperate to restore his wife and daughter. But he must do so ...

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.

President Maggie Lawson is thrust into an unprecedented crisis when an alien craft crash-lands near her hometown while she gives a local speech. As the Secret Service mobilizes and special forces race to secure the site, Lawson's worst fear comes true—her fifteen-year-old daughter has gone missing. When it becomes clear that her daughter has been abducted by the extraterrestrial visitors for reasons unknown, Lawson calls on Curt Holt, a notorious former Army military intelligence officer known for his ability to interpret and handle unexplained aerial phenomena.

Ryan "Quicksave" Romano is an eccentric adventurer with a strange power: he can create a save-point in time and redo his life whenever he dies. Arriving in New Rome, the glitzy capital of sin of a rebuilding Europe, he finds the city torn between mega-corporations, sponsored heroes, super-powered criminals, and true monsters. It's a time of chaos, where potions can grant the power to rule the world and dangers lurk everywhere.

Chase curled into a ball as the dinosaur exploded from the muck in a shower of gooey slime. A heavy foot slammed into the ground beside him, so close the impact bounced him into the air. His spine struck the point of a rock when he came back down, shooting streaks of pain through him like waves of rusty nails. He cried out— “Aaaaahhh!” Trapped 140 million years in the past and desperately in need of water, fourteen-year-old Chase sets out to shadow a thirty-foot baryonyx. He knows that Baryonyx is a fish-eating dinosaur, and he’s certain the ferocious predator will lead him to a ...

Stranded in the present, time traveler Caleb Hornblower's biggest problem isn't returning to the twenty-third century - but falling head over heels for the beguiling Liberty Stone, who shows him a love more powerful than time itself. Though Caleb knows he belongs in the future, how can he leave the past, and Liberty, behind?

The team of heroes extracted from their timelines to stop the impending apocalypse didn't think they needed a leader. But they've got one anyway. With their mission in tatters, Miri has been called in to steady the ship. And to focus them on their assignment: preventing the end of the world. The problem is, the world doesn't know it's in danger. With governments pursuing them relentlessly, attempting to steal the time-travel device to use for their own ends, the heroes are on the run.

In honor of Madeleine L'Engle's 100th birthday, fans are invited to enjoy this archival audiobook, originally recorded in 1993 and newly restored! Listen to the voice of the author as Madeleine L'Engle reads her Newbery Medal-winning novel A Wrinkle in Time.

The Thornton car was washed down a creek during a flash flood near Independence, Missouri. Their only child, a seventeen year old daughter was still clinging to the top of the car when they last saw her. After an air, land, and water search for four days without a trace, the search was abandoned. Allie and Barry Thornton learn their missing daughter was transported back in time one hundred and fifty years to 1866. A research team at the most prestigious university in the country, offered them the opportunity to join her and her family. Do they dare take the risk? Can Barry survive what ...

In The Knight at Dawn, Jack and Annie find peacocks for dinner and boys in skirts when the Magic Tree House transports them back to the Middle Ages for another wild adventure. In this second book in the series, inquisitive, notebook-carrying Jack and his animal-charming younger sister, Annie, find themselves in the middle of an enormous castle. They can hear the beginnings of a feast under way in the Great Hall.

After looking for five years for his missing girlfriend Estella, Rafael found out that she volunteered to preserve her body at a low temperature cryogenic storage facility at Ljubljana, Slovenia called Everlasting Cryonics, Inc. She will be revived in the future when they have already developed a nanotechnology treatment that will cure her rare infection. Determined to see the love of his life, he also volunteered. Waking up fifty years later in the year 2085, he learned that Estella was ‘revived’ five years earlier, and again disappeared without a trace. Now Rafael must look for the ...

When Micajah Fenton discovers a crater in his front yard with a broken time glider in the bottom and a naked, virtual woman on his lawn, he delays his plans to kill himself. While helping repair the marooned time traveler's glider, Cager realizes it can return him to his past to correct a mistake that had haunted him his entire life. As payment for his help, the virtual creature living in the circuitry of the marooned glider, sends Cager back in time as his 10-year-old self.

An engineer finds himself in an alternate reality, Cornwall, in the year 715 A.D. He awakens in the body of a young Baron. A retired Lieutenant General, former head of the Army Corp of Engineers, lies dying at the age of ninety-two. Leading a full life, he is a decorated veteran of World War II, Korea, and Vietnam. After a long illness, he lies dying. His last thought is, "What a waste of such wonderful knowledge." As he fades to black, the fun begins. He is to build a modern civilization without being burned as a witch!

Isaac Thoma lived to see the last handful of survivors defeat the demonic champion. He is now alone, his past in ashes, the last and most powerful human on a blighted Earth. But what if he could go back? Hurled back in time, Isaac has one chance to change it all. A chance to warn humanity of their impending doom. A chance to stop the [System] before shortsightedness and lust for power can render humanity extinct.

Doctor Benjamin Schröder was far from a man of action. In fact, he was a history teacher - chairman of the Castle Rock University history department - and if his life wasn't perfect, it was close. Until, that is the discussion of his star student Elzbietá Abramowski's dissertation on Operation Oz, the Pacific Allies' invasion of Vladivostok, was brutally interrupted. The psychotic episode that turned his entire world upside down struck with absolutely no warning, and it was more terrifying than anything he should have been able to imagine.

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.

Former Federal Air Marshal Stephen Mason has again done the impossible. He has passed back through an unexplainable time portal and reunited with the three people he cares about most. It's 1720, Charles Town, Carolina Colony, a time and place fraught with hardships and hazards. Carving out a life here will be challenging, especially for these modern-day transplants. There are few people they can trust, none in whom they can confide. But they have each other. And they have a rice plantation.

Despite being a young master of the Zearthorn sect, Neave is not a cultivator. And if he can have his way, he never will be. Years of daily beatings, bullying, and abuse haven’t been enough to make him change his mind, and the ultimatum from his father won’t be either. Forced to choose between an arranged marriage and a path of cultivation, Neave makes a third choice. In a desperate, last-ditch attempt, he enters a secret vault and encounters a treasure. A book he should have never touched.

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.