Science Fiction Time Travel

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.

I've done some stupid things in my time. I've been reckless. I've broken a few rules. But never before have I ruined so many lives or left such a trail of destruction behind me. As Max would be the first to admit, she's never been one for rules. They tend to happen to other people. But this time she's gone too far, and everyone is paying the price. Grounded until the end of time, how can she ever put things right?

The Destiny’s Crucible series chronicles the incredible adventure of Joseph Colsco, a college student of no particular importance who is thrust into an unimaginable fate by an accident that couldn’t happen - but did. Cast naked on the planet Anyar, he forges a new life for himself and rises to prominence and responsibilities he would otherwise never have imagined. However, much is left undone and uncertain.

History happens all around you. And, occasionally, to you. I could have been a bomb-disposal expert, or a volunteer for the Mars mission, or a firefighter, something safe and sensible. But, no, I had to be an historian. It began well. A successful assignment to 17th century Cambridge to meet Isaac Newton, and another to witness the historic events at The Gates of Grief. So far so good.

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!

Being a first-generation Asian American immigrant is hard. You know what’s harder? Being the daughter of one. Priscilla is first-generation Korean American, a former high school cheerleader who expects Sam to want the same all-American nightmare. Meanwhile, Sam is a girl of the times who has no energy for clichéd high school aspirations. After a huge blowup, Sam is desperate to get away from Priscilla, but instead, finds herself thrown back. Way back.

Ann Decker fixes computers for a living, and in the evenings she passes the time sharpening her hacking skills. It's not a very interesting life, but she gets by - until one day she's contacted with a job offer for a company called Transformations Incorporated. None of her coworkers has ever heard of it before, and when Ann is finally told what the company does, she can hardly believe it: TI has invented technology to travel in time.

At the height of the air war in Europe, Captain Joe Farley and the baseball-loving, wisecracking crew of the B-17 Flying Fortress Fata Morgana are in the middle of a harrowing bombing mission over eastern Germany when everything goes sideways. The bombs are still falling and flak is still exploding all around the 20-ton bomber as it is knocked like a bathtub duck into another world.

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.

Sarah Lester's mother is missing, and the Indian uprising holds her father captive. The police want to question her, and even the church is demanding its pound of flesh. Her return to The Old Curiosity Shop raises more questions than answers. Waiting in the shadows is a vengeful Richard Grey. After discovering Sarah’s ability to travel through time, nothing will stop him from restoring his name to its former glory. Not even time. Can Sarah reunite her scattered family before Grey closes the doorway to the past?

On their way to fight in the Mexican-American War, a group of American soldiers are swept away to a strange and deadly alternate Earth in this thrilling new adventure set in the world of the New York Times best-selling Destroyermen series.

After the explosion, Will didn't expect to wake up again, especially in the past. Alive is good. Except he finds himself at the Alamo in 1836 in the body of another man doomed to die. If history repeats itself, Santa Anna is coming soon, and the Alamo will fall, along with himself and 189 others. In a race against time itself, Will uses his knowledge of the future to change the past. He will use every means necessary, even if it means abandoning the fort. He is determined to forget the Alamo!

In this riveting suspense thriller, two children race the clock to stop a futuristic murderer and his plan to enslave the world. In 30 days, a coldhearted corporate tycoon will unleash a deadly biological computer virus on the entire world. As the public eagerly awaits his invention that promises ultimate relaxation, harmony, and community, the evil big-business sorcerer plans to put an end to freedom. Can he be stopped?

A young girl, Rella Deveraux-PenSword, is called to protect and defend Hleo: an enchanted refuge for the children of Earth One. Rella must stop a plague of Shadowsplitters, the miscreations of the plagiarist Archimago, from destroying the Wondercurrent: a source of life and hope for all the children under Hleo's protection. Rella's parents, Winter and Julian, are part of a secret alliance of Storykeepers. First, her mother disappears. Then, a few years later, when her father goes missing, Rella is forced to flee her home in the rural village of Ensea.

One day, six towers appear on Earth. Each one stands hundreds of stories tall, and are invulnerable to all attacks. At the base of each tower is a portal, welcoming in all who dare enter it. All sorts of magical monsters can be found inside the towers. Even treasure, magic, and superhuman strength can be acquired. The problem is that the towers aren't a friendly place. Even worse, the towers sometimes release waves of monsters to attack Earth. In the year 2083, there are only a hundred survivors. In one last attempt, they challenge the final floor without regard for their lives.

On an arid Mars, local bigwigs compete with Earth-bound interlopers to buy up land before the Un develops it and its value skyrockets. Martian Union leader Arnie Kott has an ace up his sleeve, though: an autistic boy named Manfred who seems to have the ability to see the future.

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.

El 22 de noviembre de 1963 tres disparos resonaron en Dallas. Murió el presidente Kennedy, y el mundo cambió. ¿Qué harías tú si pudieras impedirlo?

April 1294. With David returned from Ireland and Anna from Avalon, the time has come to confront the traitors who sought to assassinate David and take his throne. But before that can happen, David is tested yet again by his inability to account for everything or everyone in his life - and especially the magic that surrounds him.

A simple blink is all it takes to yank Pru from the car with her dad into a world of hurt. She awakens in 2305 to find herself pinned under what's left of CHRONOS headquarters, thanks to a recent terrorist attack. Their prime suspect? Her mother, Katherine Shaw. And everyone wants to know how Pru got her hands on a CHRONOS key.