Science Fiction Time Travel

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.

Rigg is well trained at keeping secrets. Only his father knows the truth about Rigg’s strange talent for seeing the paths of people’s pasts. But when his father dies, Rigg is stunned to learn just how many secrets Father had kept from him - secrets about Rigg’s own past, his identity, and his destiny. And when Rigg discovers that he has the power not only to see the past, but also to change it, his future suddenly becomes anything but certain.

Ten years ago, the 20th century and the Bronze Age were tossed together by a mysterious Event. In the decade since, the Republic of Nantucket has worked hard to create a new future for itself, using the technological know-how retained from modern times to explore and improve conditions for the inhabitants of the past

When the first humans came to settle the planet Pern, they did not come alone: intelligence-enhanced dolphins also crossed the stars to colonize Pern's oceans while their human partners settled the vast continents. But then disaster struck. The deadly silver spores called Thread fell like rain from the sky, and as human colonists' dreams of a new, idyllic life shattered into a desperate struggle for survival, the dolphins were forgotten.

There’s a sense of normalcy for the community in Monterey, California, but their peace doesn’t last long. When they’re pushed to leave, they encounter something they never expected to find. The Glass remain, but they’ve shifted positions. Peggy reveals she used to have dreams, but prescription medication kept them at bay. Now she’s off the pills and is determined to visit Spokane with Will.

An amnesiac time traveler. A vengeful ghost. A race to save humanity. Daniel has jumped back in time to save the world. Seven years from now, his best friend Vincent will slaughter 99.9 percent of the world’s population in the Husk Wars. But Vincent wasn’t always a killer. His hunger for power began at a pivotal moment in his youth when he and Daniel killed a young woman named Charlie Fiction.

As their enemy grows more powerful, Ember Brighton and Rane Andersson are at a loss for how to stop him and restore the balance of time. As their villainous counterpart seems to glean more information on Ember and her time traveling abilities, time is running out to stop him before he becomes impossible to stop. Retracing their steps may be the only way to discover secrets to eliminating the threat to themselves and to Ember’s remaining family. A mysterious stone that Ember possesses may hold the answers she needs, or worse...the trouble she doesn’t.

The day after Hugo gains access to magic, his train explodes. Unknown magic flings him back in time, and he narrowly avoids death this time. While he is trying to unravel the mystery of this unexpected second chance, life goes on. His new gifts lead him to the magic academy. At the school, he will face off against noble students that don’t want him to be there, teachers that expect him to already know everything, and literal monsters that want to kill him. To survive and thrive he will need weapons, friends, and a healthy danger sense.

Yesterday’s mystery requires the detective of tomorrow. Fans of hard-boiled, tough-as-nails detectives have a new hero in this action-packed three-book mystery collection from Nathan Van Coops. Snappy dialogue, mind-bending time travel, and laugh-out-loud humor will keep you up late solving this series of electrifying whodunits.

Derrière la façade très académique de l'institut St Mary, les équipes d'historiens, de techniciens, de chercheurs ont découvert le secret du voyage dans le temps. Ici, on n'étudie pas seulement le passé, on le visite... "J'ai fait des choses stupides dans ma vie. J'ai souvent été imprudente et j'ai enfreint beaucoup de règles. Mais jamais auparavant je n'avais ruiné autant de vies ni laissé un tel désastre derrière moi."

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.

Rigg’s journey comes to an epic and explosive conclusion as everything that has been building up finally comes to pass, and Rigg is forced to put his powers to the test in order to save his world and end the war once and for all.

In a time when no Thread has fallen for centuries - when, indeed, many are beginning to dare to hope that Thread will never fall again - a boy is born to Harper Hall. His name is Robinton, and he is destined to be one of the most famous and beloved leaders Pern has ever known.

On a whisky tour in the Scottish Highlands, former Marine and bodyguard Konnor Mitchell tumbles down a steep ravine. Before he can get his bearings, a Highland faerie pitches him back in time to 1308. Highlander Marjorie Cambel swore never to let another man victimize her. Finding a handsome stranger wounded and trapped at the bottom of a ravine, she rescues him.

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.

For the Tenth Doctor, the festive season always brought adventure. In fact, he's saved Christmas across space and time more times than we ever knew. Join the Doctor (and Donna and Martha and Rose, and other friends old and new) for incredible tales of daring and danger. From Daleks plotting to save humanity to Sycorax working to exploit it...from star-narwhals massing on the Moon to a toy factory in space. Because even in the jolliest of seasons there's a world or two to save.

With the island of Avalon far behind them, Meredith and her companions continue their search for Candidate One in the hope of finally discovering the secrets behind why they were brought to this strange, future-version of Earth. Wild adventures, mysterious technologies, and new friends will help Meredith on her journey. But the Adversary has its own plans for her, and soon she finds herself fighting for survival against an enemy unlike anything she has encountered before. There is only one hope for the future of humanity. Can Meredith handle the burden?

When Lex notices an inky presence darkening Marcus' eyes, she discovers he's no longer what he seemed. Almost too late, she realizes that the man she has entrusted with both her heart and her life is now her greatest threat. Seeking safety, Lex is forced to draw on her god-like powers and flee to the ancient past. Hiding in plain sight, Lex takes on the identity of the goddess Hathor as she struggles to blend in thousands of years before her own time. But the safety she sought proves elusive.

When you discover the world is a computer program, and you figure out that by altering the code you can time travel and perform acts that seem like magic, what can possibly go wrong? Pretty much everything. Just ask Brit, who has jumped around in time with such abandon that she has to coexist with multiple versions of herself. Now, Brit the Elder finds that her memories don't match Brit the Younger's.

Xyándor, a figure of immense evil and depravity, wants all of those creatures dead. But without the whales, there will be no more time. Our universe will cease to exist. Now the whales are decidedly huge—as large as an average galaxy. But with the application of sufficient cruelty and technology, they can be killed. Existence, once again, hangs in the balance.