Science Fiction Time Travel

The catastrophic Purge War at the end of the 21st century destroys planet Earth, jeopardizing the future for the remnants of humanity. Horrific repercussions roll across the ages until, generations later, a scientific group called the Time Forward Project harnesses a deep-space wormhole in which they can travel through time. They find the portal unstable and shrinking, but they have little choice but to take desperate, drastic measures and journey back to prevent the war.

Jon Ryan has some unfinished business. Since he caused the universe to reboot, well, he can't seem to find his wife of two billion years. That's one great big oops. He also can't find the massive time ship Aramthella and her human crew. Double oops. And then there's the matter of not knowing whey why there are several copies of key people in the new reality he must navigate. Triple oops. He actually knows one whole heck of a lot less about his current situation than seems healthy. But he's Jon Ryan, former fighter pilot turned android warrior for humankind.

An amnesiac time traveler. A vengeful ghost. A race to save humanity. Daniel has jumped back in time to save the world. Seven years from now, his best friend Vincent will slaughter 99.9 percent of the world’s population in the Husk Wars. But Vincent wasn’t always a killer. His hunger for power began at a pivotal moment in his youth when he and Daniel killed a young woman named Charlie Fiction.

Diana Hartford has long denied the magical time-traveling ability she's inherited from her parents. But when her aunt implores her to guide a 14th-century highlander back to his time, she is forced to use the ability she has always denied. Stranded in another time after his distant relative takes his place in the past, Artair is determined to get back to his life. When the bonnie Sassenach witch, Diana, escorts him back through time, he struggles with his burgeoning desire for the temptress....

After years of bitter struggle, Trantor had at last completed its work - its Galactic Empire ruled all 200 million planets of the Galaxy...all but one. On a backward planet called Earth were those who nurtured bitter dreams of a mythical, half-remembered past when the planet was humanity’s only home. The other worlds despised it or merely patronized it - until a man from the past miraculously stepped through a time fault that spanned a millennium, living proof of Earth’s most preposterous claims.

The day after Hugo gains access to magic, his train explodes. Unknown magic flings him back in time, and he narrowly avoids death this time. While he is trying to unravel the mystery of this unexpected second chance, life goes on. His new gifts lead him to the magic academy. At the school, he will face off against noble students that don’t want him to be there, teachers that expect him to already know everything, and literal monsters that want to kill him. To survive and thrive he will need weapons, friends, and a healthy danger sense.

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.

Loïc regarde autour de lui. Ce qu’il découvre alors lui coupe littéralement le souffle: le Westfalia a disparu. Pire encore, sa maison n’est plus là. À sa mort, Papi Georges lègue aux membres de sa famille bien peu de choses: une boîte de photos, une vieille carte géographique, un pendentif, une boîte de cossins et… son vieux Westfalia 1975. Mais lorsque Loïc, 14 ans, découvre que dans le vieux West se cache un portail temporel, les vacances qui s’annonçaient ennuyantes prennent une tournure pour le moins inattendue.

Nationally syndicated radio talk show host Rush Limbaugh has long wanted to make history come to life for the children of his listeners. In this book, he travels back in time with fearless history teacher Rush Revere. With the help of his faithful talking horse, Liberty, Rush experiences American history as it happens, having adventure after adventure with exceptional Americans such as Paul Revere and George Washington.

Ben Travers is facing an impossible choice. When a girl arrives from his future claiming to be family, she brings nothing but bad news. Ben has two possible fates, and no matter which he chooses, he has to die. In a desperate bid to alter his future, Ben must seek a mysterious device that the Quickly family would rather keep hidden. He’ll confront a rogue faction of temporal fugitives - his only ally a girl he never knew existed.

Gwen's life has been a rollercoaster since she discovered she was the Ruby, the final member of the secret time-traveling Circle of Twelve. In between searching through history for the other time-travelers and asking for a bit of their blood (gross!), she's been trying to figure out what all the mysteries and prophecies surrounding the Circle really mean. At least Gwen has plenty of help. Her best friend Lesley follows every lead diligently on the Internet. James the ghost teaches Gwen how to fit in at an eighteenth century party.

Best friends Maya and Tucker didn't expect to spend their spring break onboard the Titanic—in 1912. But now that they've discovered a special collection of artifacts has the power to send them back in time, they're on a mission. They must travel back in time again to save their friend Liam and his parents, third-class passengers onboard the Titanic, and change history. Can they convince the captain to change the course of the doomed ship before it hits the iceberg?

With the defeat of the Overtakers behind them, the five teenagers known as the Kingdom Keepers should be celebrating. By all accounts they saved Disneyland from certain destruction. Why then did their mentor leave one last puzzle for them to decipher? The Keepers must solve a puzzle of the past, or be crushed under an evil that makes the Overtakers seem like gentle souls.

She's only recently learned that she is the Ruby, the final member of the time-traveling Circle of Twelve, and since then nothing has been going right. She suspects the founder of the Circle, Count Saint-German, is up to something nefarious, but nobody will believe her. And she's just learned that her charming time-traveling partner, Gideon, has probably been using her all along.

In a time when no Thread has fallen for centuries - when, indeed, many are beginning to dare to hope that Thread will never fall again - a boy is born to Harper Hall. His name is Robinton, and he is destined to be one of the most famous and beloved leaders Pern has ever known.

In a riveting blend of adventure, discovery, and moral reckoning, Stranded is a thrilling exploration of human nature set against the backdrop of a world beyond imagination. Will the group find a way to return from this Lost Eden, or will their conflicting agendas lead to irreversible consequences?

In 2061 a young scientist invents a time machine to fix a tragedy in his past. But his good intentions turn catastrophic when an early test reveals something unexpected: the end of the world. A desperate plan is formed: recruit three heroes, ordinary humans capable of extraordinary things, and change the future.

Major Rodger Y. Murphy should have died when his helicopter crashed off the coast of Mogadishu in November, 1993. Instead, he woke up in August, 2125, in a binary star system 152 light years from home. Without any memory of the otherworldly abductors who spirited them away in cold sleep, Murphy and 100 other “Lost Soldiers” have been retrieved and awakened by officers of the Consolidated Terran Republic. Promising to return to the 55 Tauri B system after completing a distant mission, they leave the twentieth century castaways with a daunting objective.

For Mark Caldwell, an unsatisfying life was about to take a turn both terrifying and exhilarating as his fate took an unimaginable turn. When Mark took his aisle seat aboard United flight 4382, he was ignorant of three facts. The fellow passenger in the window seat was named Joseph Colsco. Neither of them would ever set foot on Earth again. They both would be cast naked on an alien planet.

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.