Science Fiction Time Travel

Two exciting Magic Tree House adventures, narrated by author Mary Pope Osborne. A Big Day for Baseball: Batter up! The magic tree house has whisked Jack and Annie back in time to the 1940s. They're in Brooklyn, New York for a very special baseball game. Hurricane Heroes in Texas: Jack and Annie are on a mission! When the magic tree house whisks them back to Galveston, Texas, in 1900, they find out that a big storm is coming.

It is 1715 and for Duncan Melville, something fundamental is missing from his life. Despite a flourishing legal practice and several close friends, he is lonely, even more so after the recent death of his father. He needs a wife—a companion through life, someone to hold and be held by. What he wasn’t expecting was to be torn away from everything he knew and find said woman in 2016.

The man they took prisoner was not the Jonathan Tibbs they remembered. He said that time was running out. That the world faced an enemy it could not defeat. He said everything depended on whether or not they could make a leap of faith. Then, he asked them for five nuclear warheads. The Never Army is the final installment in The Chronicles of Jonathan Tibbs - a mind-bending, genre-crossing, multiple award-winning, action-adventure trilogy.

A flash of lightning, quivering ground, and, instead of her grandparents' farm, Polly sees mist and jagged mountains - and coming toward her, a group of young men carrying spears. Why has a time gate opened and dropped Polly into a world that existed 3,000 years ago? Will she be able to get back to the present before the time gate closes - and leaves her to face a group of people who believe in human sacrifice?

When we watch a home video of the past, we are going back in time to remember special events that affect us now. Sometimes we wish we could go back and change specific moments that we regret doing at the time to our loved ones that are no longer here. According to Einstein, the faster speed of light will create a vortex of events and allows the ability to go to past events. Can we go back in time to save a loved one, so they can be with us longer like say you still want to alter time to an event one was near death but a couple of days before this person's end?

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!

When a spontaneous time leap sends Nickolas Flux back to the California Gold Rush, what's a teenage history buff to do? Join the scramble to strike it rich, of course! From meeting John Sutter to panning for gold, Nick must survive one of the most pivotal events of American Westward Expansion.

When three modern women find themselves in medieval Scotland, they must use their wits and strengths to fight ancient foes. With the English, witch hunters, and the church after them, these futuristic ladies navigate the murky waters of falling in love with a broody highlanders while adjusting to their new lives and protecting that they now hold so dear.

Captivated by the story of a cowboy hanged as a horse thief in 1890, an independent, modern-day woman travels back in time with only thirty days to save an innocent man. Haunted by an old article about a man hanged over a hundred years ago, Mia Kellogg boards an old steam locomotive and plows right into the arms of the handsome cowboy Dusty Mann. Knowing time is of the essence, her problem is convincing her cowboy he’s in danger?

Death has a funny way of finding Lynette Heversham. After three villainous lifetimes—marked by pain, betrayal, and increasingly violent demises—Lynette still has no idea why she's been cursed with being reborn again and again. When she awakens as her younger self for the fourth time, she quickly realizes this life is her last chance to get it right.

When one of the time-traveling crew is running for student-body president at Manchester Middle School, Rush Revere takes them back in history to witness the election and leadership of our first three presidents.

A military unit is thrust back into Paleolithic times with only their guns and portable hardware. Ten soldiers on convoy in Afghanistan suddenly find themselves lost in time. Somehow they arrived in Earth's Paleolithic Asia. With no idea how they arrived or how to get back, the shock of the event is severe. They discover groups of the similarly displaced: imperial Romans, Neolithic Europeans, and a small cadre of East Indian peasants.

What good is a happily-ever-after if it's all ripped away by the hands of a devilish siren? When Dianna's children go missing, she and Henry are left with no choice but to do something they swore they'd never do again...travel back to the 1700s. But with their children's lives in the hands of an unpredictable siren, they must make a hasty decision; trust that the sea creature will return their kids...or find a way to go back in time and risk never coming home again.

In the years since the Event, the Republic of Nantucket has done its best to re-create the better ideas of the modern age. But the evils of its time resurface in the person of William Walker, renegade Coast Guard officer, who is busy building an empire for himself based on conquest by technology.

When Walker reaches Greece and recruits several of their greater kinglets to his cause, the people of Nantucket have no choice.

With Titanic already sinking, Tucker and Maya are frantic to get back to 1912. The two friends travel back to 1912 one last time and join the survivors in the lifeboats as they wait and hope for a rescue. In a twist of fate, their final interaction with Liam teaches them a piece of their own history as well.

A scholar specializing in ancient manuscripts, Grace St. John never imagined that a cache of old documents she discovered was the missing link to a lost Celtic treasure. But as soon as she deciphers the legend of the Knights of the Templar - long fabled to hold the key to unlimited power - Grace becomes the target of a ruthless killer bent on abusing the coveted force.

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.

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?

A touch of computer keys, a blast of heat, and suddenly the Murry twins, Sandy and Dennys, are gasping in a shimmering desert land. If only the brothers had normal parents, not a scientist mother and a father who experiments with space and time travel. If only the Murry twins had noticed the note on the door of their mother's lab: Experiment In Progress. Please Keep Out. But it's too late for regrets.

Where did the tree house come from? Before Jack and Annie can find out, the mysterious tree house whisks them back to the prehistoric past. Now they have to figure out how to get home. Can they do it before dark, or will they become a dinosaur's dinner?