Science Fiction Time Travel

Earth's timeline has shattered in "the Event," creating a frightening new world of prehistoric monsters, lost cultures, and strange futuristic perils. A ragtag band of survivors from different points throughout history have joined "Merlin," a mysterious figure who may be their only hope to save the world - if he is who he claims to be. When their 23rd-century ship the Vanuatu is sabotaged by an unknown enemy and thrown far off its course, the team must solve a dangerous new mystery, even as they are split apart and fighting to survive in a war-torn Shard World...

Forced to return to London to try to save Max from the gallows, Hugo and Neve are well aware of the danger of their situation and try to anticipate every eventuality. But betrayal comes from an unexpected quarter, putting Neve and Hugo in mortal danger, and forcing them to reevaluate whom they can trust. Unexpected reunions, simmering old hatreds, and shocking betrayals abound as Neve and Hugo race against time to help Max and flee England before it's too late.

Flight is the hilarious and tragic story of an orphaned Indian boy - "Zits" - who travels back and forth through time in a charged search for his true identity. With powerful, swift prose, Flight follows the troubled teenager as he learns that violence is not the answer.

Sam watches the demonic forces of darkness as they engulf and destroy the land of Westria. The final battle is over. Or so Sam thinks. In the last moments before the world’s end, Sam is given a second shot to save everything he holds dear. He’ll be sent back in time. Reincarnated into his younger self and armed with knowledge of the future, Sam will have the power to undo past mistakes and give the people of Westria a fighting chance against the impending apocalypse.

Convicted criminal James Griffin-Mars is no one's hero. In his time, Earth is a toxic, abandoned world, and humans have fled into the outer solar system to survive, eking out a fragile, doomed existence among the other planets and their moons. Those responsible for delaying humanity's demise believe time travel holds the key, and they have identified James, troubled though he is, as one of a select and expendable few ideally suited for the most dangerous job in history.

Meg Murry can't help but be worried when her six-year-old brother, Charles Wallace, announces there are dragons in the vegetable garden. He's so bright, and so different from other kids, he's getting bullied at school, and he is also strangely, seriously ill. But Charles Wallace is right about the dragons - actually a friendly entity who has come to help Charles Wallace fight his sickness, and to take Meg and her friend Calvin O'Keefe on a terrifying, wonderful journey into galactic space - where they must battle the force of evil to save Charles Wallace, and themselves.

Destiny throws her back in time. Can love make her stay? Caroline Sutton doesn’t belong here. Not in the Highlands, and certainly not in the 14th century. Headstrong Caroline hopes an adventure will ease the pain of her parents’ deaths. One minute, she’s standing at the edge of a waterfall, daring her two sisters to jump with her. The next, she wakes up on the shores of a Scottish loch - 600 years in the past. She’s determined to return to her sisters and her own time, but Callum, the rugged Highland Laird who discovers her, has other ideas.

From the ashes of the New Republic, torn to shreds by the savage Yuuzhan Vong forces, the newly formed Galactic Alliance has risen, determined to bring peace to the entire galaxy. But first the Yuuzhan Vong must be contained once and for all. And so Luke Skywalker seeks a world long lost to legend: Zonama Sekot, a sentient planet believed to have repelled an invasion by the Yuuzhan Vong decades ago. Deciphering the enigmatic secrets of Zonama Sekot just might turn the tides of a relentless war.

Kenna McMillan would do anything for her grandchildren. She would even accompany one of them hundreds of years into the future for a week of Christmas celebrations with the old witch Morna, just to make him smile. But unexpected guests at the inn upend all of their holiday plans. As she learns more about her new acquaintance, she starts to wonder if her week away might take a romantic turn....

When the opportunity of a lifetime ends in disaster, Amelia Cabrera doesn’t know if she can stomach any more disappointment. Her mother offers her a consolation trip to a quirky B&B, where she expects a quiet weekend to mourn the setback in her chef career. Until the man she’s always secretly crushed on shows up at the door—and he might even think they are supposed to be going on a date.

A few years earlier, the evil clan destroyed Earth. Jon and his team labored mightily to resurrect our lost civilization. But once they achieved that impossibility, Jon grew more and more obsessed with restoring Earth's original time line. He wants to give rebirth to his original life story, his history. In spite of pleas to the contrary by his friends, he was hellbent on achieving his unproven goal.

A formidable alien armada stands on the brink of vanquishing the cosmos, their gaze set firmly on every inhabited world. The last line of defense? An eclectic crew of improbable champions: a maverick starfighter pilot, a daredevil stuntwoman, a lethal super-assassin, and a cosmic prankster with alien tricks up his sleeves. Their mission is to shield not just humanity, but billions of other intelligent lifeforms spanning the multiverse.

It had to happen. St Mary's is under investigation. Their director has been shot and Max is Number One Suspect. She needs to get away - fast - but dare she risk another jump so soon? And if she does, will it be a case of from the frying pan into the fire? We all know the answer to that one.

Nyx was born Hollow. An empty vessel in a world of spirits. Normally, that was a death sentence, yet somehow he survived. He's always been stubborn like that. He's also always been a bit crazy. Which is why, in another life, he did something reckless. He sent himself a message—his memories. Threw them into the Flow from which all spirits return. Besides, Nyx believed in asking hard questions. Like, was reincarnation real?

Determined to save the antiques store she has inherited from ruin after the unexplained disappearance of her parents, Sarah Lester discovers a jumbled collection of vintage postcards that leads her on a journey through time. Unprepared for the story the postcards weave about their reclusive former owner, Sarah’s life is thrown into disarray as she is transported to Victorian London, colonial New Zealand, and to the British Raj in 19th-century India.

In The Knight at Dawn, Jack and Annie find peacocks for dinner and boys in skirts when the Magic Tree House transports them back to the Middle Ages for another wild adventure. In this second book in the series, inquisitive, notebook-carrying Jack and his animal-charming younger sister, Annie, find themselves in the middle of an enormous castle. They can hear the beginnings of a feast under way in the Great Hall.

To say Jon Ryan's life was good would be a silly understatement. Sure. Come on, he did CPR on his very first girlfriend, Jenna, when they were in their tweens and narrowly saved her from drowning. Then they dated throughout high school and were only temporarily separated when he went off to the USAF Academy and she to UCLA. But their future was looking so bright they both needed welding goggles. But, way back there in the reality that seems to always kick anyone named Jon Ryan in the ass was...er, an uncomfortable truth. His life, Jenna's life, and their life together never happened.

Seventeen-year-old Aimee Roh has Sensory Time Warp Syndrome, a rare condition that causes her to time travel to a moment in her life when she smells something linked to that memory. Her dad is convinced she’ll simply grow out of it if she tries hard enough, but Aimee’s fear of vanishing at random has kept her from living a normal life. When Aimee disappears for nine hours into a memory of her estranged mom—a moment Aimee has never remembered before—she becomes distraught.

Caitlin has disappeared and someone has changed history. Lost in an alternate reality, Josh must discover who has disrupted the timeline and try to fix the continuum. But there's a problem. The Order has become divided over an old manuscript which describes the Maelstrom—a chaotic realm filled with ancient gods that exists outside of the timestream. One faction believes that Josh will be the key to unlocking its power, the other that he needs to die to save them from oblivion. Josh must find Caitlin and a way into the maelstrom, discover the author of the book and rewrite the prophecy.

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.