Science Fiction Time Travel

When Becky, Joe, and Uncle Percy uncover the existence of a sixth Eden Relic—The Eden Crown—hidden somewhere in history, their destiny becomes clear: they need to find it to stop Emerson Drake and the Wraith from unleashing an apocalyptic attack on mankind, an assault that would wipe out half the world's population.

"I'm going to die a hundred years before I was born...." The handwritten note was in a dusty trunk that sat in a cave untouched for 150 years. What did the words mean? When journalist Ray Burton finds the trunk near the Arizona ghost town of Hollow Rock, his life changes in an instant. Something in the trunk shouldn’t be there. This begins a dangerous journey of discovery bordering on the impossible. A discovery that will affect the past, the present, and the future.

Lady Tiliani Forelli is the epitome of the She-Wolves who raised her, an adept archer with a mind of her own. It is long past time for her to wed, but she deems each young lord who comes to bid for her hand lacking. With battles upon their border, and rumors of war growing louder on every front, Lady Forelli’s decision could secure her kingdom’s peace...or bring about its destruction.

What would you do if you could go back in time and change your life? Which regrets and mistakes would you fix? What would your life look like now? In Future Proof, an experimental medical treatment goes wrong, which allows Sam Harris to do exactly that. He starts by standing up to the kids who bullied him at school and then sets about trying to fix the mess he made of the rest of his life. However, as he discovers, changing his past doesn’t always guarantee a brighter future.

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.

Travel to other planets is now a reality, and with overpopulation stretching the resources of Earth, the necessity of finding habitable worlds is growing ever more urgent. There’s a problem though—because the spaceships are slower than light, any communication between the exploring ships and Earth would take years.

Tom and Pat are identical twin teenagers. As twins they’ve always been close, so close that it seemed like they could read each other’s minds.

A new collection of Christmas adventures, starring 12 incarnations of the Doctor plus many of his friends and enemies. Inside this festive audiobook of Doctor Who stories, you'll find timey-wimey mysteries, travels in the TARDIS, monster-chasing excitement and plenty of Christmas magic. Find out what happens when the Third Doctor meets Jackie Tyler, the Seventh Doctor and Ace encounter an alien at Macy's department store, and the Ninth Doctor tries to get Rose a red bicycle for Christmas.

The Oblivion Order is falling apart, and the time line is beginning to unravel. Dalton's obsession with the Djinn threatens to bring down the continuum and the only way to stop him is to resolve the riddles of the Eschaton Cascade and find Josh's father. Follow Caitlin and Josh as they discover the origins of the Order and the future that the founder was aiming to avoid.

A cryptic letter from her missing friend Fiona sends Isabelle Chapman to Scotland to find her. When she comes across a mysterious woman who claims to have answers about the local disappearances, she finds herself transported through time to 14th-century Scotland...and right in the path of an outlaw Highlander.

One day, monsters spawned across the world, gateways to dungeons appeared everywhere, and the blue screens heralded the end of days. The apocalypse. The ruin of the world. Amongst the ruins of the world, they survive: the players, those granted power by the system and led by the 2nd regressor, the King of the Crows. He who mastered the system, learned the truth of the apocalypse, and seized the keys of absolute authority. But even a King cannot stop the fall of mankind.

From the author of the international bestseller Before the Coffee Gets Cold, this book follows four new customers who hope to travel back in time in a little Japanese café. In a back alley in Tokyo, there is a café that has been serving carefully brewed coffee for more than one hundred years...

The hero beat the villain and won the prize. But things aren't good, not yet. After committing a few small-scale war crimes that were definitely not OSHA-approved, Sean Lawrence came out on top in the battle for the heart of the earth. Imagine his surprise when he finds himself kicked into a cold universe, grasping at a talisman filled with what's left of Earth and working menial day labor jobs until he figures out the next weird steps in his journey.

The battle between democracy and tyranny is joined, and the American Revolution has begun over a century ahead of schedule. A cosmic accident has shifted a modern West Virginia town back through time and space to land it and its 20th century technology in Germany in the middle of the Thirty Years War. History must take a new course as American freedom and democracy battle against the squabbling despots of 17th century Europe.

Are thousands of orbs, with each containing a reality housing billions of souls, about to burn out and die? Can Trew find his daughter, or will everything he has sacrificed be for nothing? And what impact will a young scientist who believes that his reality exists inside of a computer simulation make on his world?

Defeat a sea monster. Kill a legendary man-eater. Protect my harem from an old enemy. We escaped the cannibals and the volcano, and are now headed to a promising new island. It's going to be great. A bigger island to explore, a new tribe to meet, and endless possibilities for our growing family. But it's no longer just about having shelter and finding food. We have bigger plans than ever. It's no longer adapt or die. Now, it's adapt and thrive.

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.

The Order has failed its mission. The timeline is in shambles. Gerald Holstrom is a Genous Repeatous, a repeating immortal, a Journeyer. He is one of the founding members of The Order, a group of people that is responsible for maintaining the timeline so other Journeyers can live in relative peace and obscurity.

Charles has returned from the dead, but not for the reasons you’d expect—he's working for a higher power, and the fate of the universe hangs in the balance. Tasked with the impossible, Charles must end time travel itself, the invention that could destroy everything. To do so, he must infiltrate the elusive Community of Minds, the shadowy group responsible for its creation. But the world inside this collective is nothing like the biological realm thought it to be—it's stranger, more dangerous, and teeming with secrets.

Kidnapped. Consciousness expanded. And that was just the start of my day. I always thought I was a nice enough guy. The kind who’d never want to commit murder. Turns out I simply lacked incentive. Some crimes can never be forgiven.

Everyone they love is in the past. The throne is in the future, it demands to be reckoned with. And Kaitlyn and Magnus must protect the son, no matter the cost. Even if it means losing it all.