Science Fiction Time Travel

The time loop is coming to an end. With limited restarts remaining, Zorian and his allies must redouble their efforts to discover how they can prevent the release of an ancient primordial being once the time loop expires and they are returned to the real world—where choices can’t be undone.

Ten teenagers broke behavioral law. Sentenced to be reeducated on the moon of Jerem, they were placed in stasis on the automated ship Phetteron for their six day journey. They never reached their destination. Thrown off course by a computer malfunction, the Phetteron is damaged in an asteroid belt and crash lands on the uninhabited ice planet of Valkrys.

From the Badlands to the Bluegrass, this perilous, potentially deadly adventure changes the lives of everyone involved and puts at risk the survival of the Clan and all the Celtic brooches. While dressing for a dinner date with her cousin George Williams and James Cullen Fraser, Ensley Williams picks through her jewelry box for some bling to add to her outfit and chooses her late mother’s sunstone brooch. Engraved on the inside of the stone is an inscription. When she recites the Celtic words, she’s engulfed in a peat-scented fog and transported back to the Dakota Badlands in 1885.

Not content with investing his fortune and watching it grow, multibillionaire Howard Christian buys rare cars that he actually drives, acquires collectible toys that he actually plays with, and builds buildings that defy the imagination. But now his restless mind has turned to a new obsession: cloning a mammoth. In a barren province of Canada, a mammoth hunter financed by Christian has made the discovery of a lifetime: an intact frozen woolly mammoth. But what he finds during the painstaking process of excavating the huge creature baffles the mind.

The folks in Mike Erikson's small New England town would say he's just your average, everyday guy. And that's exactly how Mike likes it. Sure, the life he's chosen isn't much of a challenge to someone with his unique gifts, but he's content with his quiet and peaceful existence. That is, until an old friend presents him with an irresistible mystery, one that Mike is uniquely qualified to solve.

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.

Home at last after years of exile, Neve and Hugo Everly just want to pick up the pieces of their life and enjoy time with their growing family, but destiny has its own plan. A tragic loss nearly tears the family apart, and an unexpected guest brings a warning of dire events still to come. Hugo and Neve find themselves in danger once again; for outstanding debts must be paid, and old enemies will no longer wait to settle scores.

For a policeman, there can be few things worse than a serial killer loose in your city. Except, perhaps, a serial killer who targets coppers, and a city on the brink of bloody revolution. For Commander Sam Vimes, it all feels horribly familiar. Caught on the roof of a very magical building during a storm, he's found himself back in his own rough, tough past without even the clothes he was standing up in when the lightning struck. Living in the past is hard, especially when your time travel companion is a serial killer who knows where you live.

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.

Arabella Twigg is a very ordinary girl living with her extraordinary family. She loves her Gran, but tries to avoid her brother, Tom, who is always trying to get her into trouble.

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.

Captain Blite knows that someone, or something, is trying to kill him. But a device he possesses, known only as the dark diamond, won't let that happen. After surviving a series of accidents and assassination attempts, Blite comes to realize that whenever he dies the dark diamond reverses time to a moment before his death. He must then go through the traumatic experience again and again until he escapes.

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.

Time Enough for Love is the capstone and crowning achievement of Heinlein's famous Future History series. Lazarus Long is so in love with life that he simply refuses to die. Born in the early 1900s, he lives through multiple centuries, his love for time ultimately causing him to become his own ancestor. Time Enough for Loveis his lovingly detailed account of his journey through a vast and magnificent timescape of centuries and worlds. Using the voice of Lazarus, Heinlein expounds his own philosophies, including his radical ideas on sexual freedom.

An ordinary Russian guy, Sergei, picks a fight in his neighborhood, defending a little boy. Problem is, the guy he's just defeated vanishes into thin air, leaving Sergei to discover he now possesses the ability to turn time around. On top of that, Sergei can now travel between worlds. He acquires even more mysterious new skills and abilities. And he discovers there're many others just like him in our world. Sergei finds his own place in the secret community of the Seekers - creatures with superpowers.

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.

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.

Dive deep into the story of Caine Newman, a history professor at the University of Pennsylvania. Caine had always been fascinated with history, and he always imagined how the course of history could be altered by changing one random event.

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....

With humanity facing imminent extinction, Centauri Project scientists use technology originally designed for interstellar travel to send a test subject ten millennia into Earth's future. Marooned in an uninhabited wilderness, microbiologist Nicholas Hindman searches for evidence of remnant populations. He has a protocol to follow and is determined to do so to the bitter end—though he knows he's probably searching in vain, stranded on an uninhabited planet silently orbiting the sun.