Science Fiction Time Travel

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.

"What kind of world is this?" It’s five years later, and Tom Cook is living a “normal” life with his Neanderthal family 40,000 years ago. But when a life-threatening crisis strikes his daughter, Tom decides to carry her to the future for the medical help she desperately needs. And in the process, he’s entangled in a modern world very different from the one he left behind. Now, caught up in a secret plan to exploit his daughter’s unique Neanderthal DNA, Tom must find a way to save everything he loves and cherishes. If you're a fan of the time travel novels of Jack Finney (Time and ...

Benjamin Travers has been electrocuted. What's worse, he and his friends have woken up in the 1980s. As the friends search for a way home, they realize they're not alone. There are other time travelers, and some of them are turning up dead.

Welcome to Book Four of this time-travel series. You have already been through more time portals than we knew existed as we follow Jonathan and Denise through some thrills and drama and suspense. More to come in this book so look out for the twists and turns that you have come to enjoy. Remember Jonathan and Denise love every minute of it.

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.

Meg Murry, her little brother Charles Wallace, and their mother are having a midnight snack on a dark and stormy night when an unearthly stranger appears at their door. He claims to have been blown off course and goes on to tell them that there is such a thing as a "tesseract", which, if you didn't know, is a wrinkle in time. Meg's father had been experimenting with time travel when he suddenly disappeared. Will Meg, Charles Wallace, and their friend Calvin outwit the forces of evil as they search through space for their father?

Prepare for a Mind-Blowing Journey into the Future of Finance! In XRP 2034: Future Proves Past, the most thrilling financial reset in world history is just beginning, and now you can experience it through this gripping audiobook! With the collapse of traditional banking and fiat currencies, XRP rises from the ashes, becoming the gold-backed foundation for a new global economy. This isn’t just a tale of economics—it’s a high-stakes adventure filled with groundbreaking insights into blockchain, military tribunals, and the radical implementation of Nesara-Gesara reforms.

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.

Three full-length time travel books and a short story from the magical Middle Falls universe: The Stubborn Lives of Hart Tanner, The Alternative Lives of Aiden Anderson, The Heartfelt Life of Max Hartfield, and The Encore Lives of Effie Edenson.

Harry August is on his deathbed. Again. No matter what he does or the decisions he makes, when death comes, Harry always returns to where he began, a child with all the knowledge of a life he has already lived a dozen times before. Nothing ever changes. Until now. As Harry nears the end of his 11th life, a little girl appears at his bedside. "I nearly missed you, Doctor August", she says. "I need to send a message". This is the story of what Harry does next, and what he did before, and how he tries to save a past he cannot change and a future he cannot allow.

In modern-day New York, magic is all but extinct. The remaining few who have an affinity for magic - the Mageus - live in the shadows, hiding who they are. Any Mageus who enters Manhattan becomes trapped by the Brink, a dark energy barrier that confines them to the island. Crossing it means losing their power - and often their lives. Esta is a talented thief, and she's been raised to steal magical artifacts from the sinister Order that created the Brink.

Among the ashes of a dying world, an agent of the Commandment finds a letter. It reads: Burn before reading. Thus begins an unlikely correspondence between two rival agents hellbent on securing the best possible future for their warring factions. Now, what began as a taunt, a battlefield boast, becomes something more. Something epic. Something romantic. Something that could change the past and the future. Except the discovery of their bond would mean the death of each of them. There’s still a war going on, after all. And someone has to win. That’s how war works, right?

Dr. Tyson Klein is a quantum physicist who has dedicated his entire life to his research. At CERN, he analyses data generated by the Large Hadron Collider, the world's biggest and most powerful particle accelerator. Now, Ty believes he's found a pattern in its output. It looks like an organised data stream, being broadcast over what he calls a quantum radio. Could it be a signal from another universe? A message sent from the future? Or something else entirely?

Skye Carter’s life changed abruptly when the Drayids attacked Earth and cut a one-mile section out of a dozen cities all over the world. The hole they cut in Washington, D.C. took out the bookstore/internet café business that she had worked five years to build. It was all gone, leaving her a mountain of debt. She decided to sell her house and look for a job to pay for her losses. Then she found an ad for the Narovian Interstellar Matchmaking Service. It promised a ninety-nine percent guaranteed her match would be her soulmate. Rader Knight was a cyborg warrior in the Alliance Defense ...

They tried to kill or capture Yozef Kolsko. The possibility that Caedellium could have peaceful years going forward is refuted. The key is bringing down Narthon. But how? Caedellium is too small, despite innovations by Yozef Kolsko (Joseph Colsco) and Mark Kaldwel (Caldwell), humans cast away on the planet Anyar. Allies are needed. Campaigns to be planned. Risks to be taken. For Yozef Kolsko, it means assuming roles he never imagined or believed himself capable. Anyar will never be the same.

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?

Joe Tournier has a bad case of amnesia. His first memory is of stepping off a train in the 19th-century French colony of England. The only clue Joe has about his identity is a century-old postcard of a Scottish lighthouse that arrives in London the same month he does. Written in illegal English - instead of French - the postcard is signed only with the letter 'M', but Joe is certain whoever wrote it knows him far better than he currently knows himself and he’s determined to find the writer.

Hallucination... or time travel? One man alone against the cosmos, creating his own reality! Exiled on Mars! Johnsmith Biberkopf escapes from a penal colony on the Red Planet and learns that his hallucinations are real - space and time can be manipulated. Kidnapped by Vikings who have sailed through the continua since ancient times, Johnsmith embarks on an epic adventure, an infinite journey through the multiverse. Facing alien menaces, he learns the terrifying truth about the power of illusion.

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?

A group of misfits, led by a man who has lost everything that matters in his life, are offered a second chance: As part of an alien experiment, they must take a leap into the unknown, to a place where they and everything they have will be needed. They find themselves in the middle of the American Revolution at it's most desperate hour. Some of them seek wealth and power. Some seek to avoid conflicts which were to later wound the United States deeply, issues of slavery, the rights of native Americans and human rights. Some have their own agenda. As they go into action, they deal with men who...