Science Fiction Time Travel

Eleven-year-old Harry Mancini is not Harry Houdini - the famous escape artist who died in 1926. But Harry does live in Houdini's old New York City home, and he definitely knows everything there is to know about Houdini's life. What is he supposed to do, then, when someone starts texting him claiming that they're Houdini, communicating from beyond the grave? Respond, of course.

Mostly, he's accomplished this antisocial feat by exterminating them because they posed a threat to galactic peace or common decency. As with any action, there can be an equal and opposite reaction. Now, a fundamental force of existence named Xyándor is after Jon. You see, Xyándor's sole purpose is to spawn chaos. So he's dead set on killing Jon because our hero snuffs out chaos on a routine basis. Most likely, this Xyándor character must've had a really troubled childhood, right?

Imagine waking up one morning to a better life: A beautifully stylized home, an elevated position at your job, a cleaner society. Oh, there's a catch - your boyfriend may be a murderer with access to the most powerful invention in human history. This is exactly how Nina Marks woke on August 8th. Kidnapped across the multiverse, Nina has to navigate her way home. See how these parallel universes came to be because of one critical change in history: What if Eleanor Roosevelt had been President?

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.

Armed with lancers, breech-loading rifles, steamships, and galleys, General Belisarius, accompanied by his own ally from the future, ventures into the Malwa Empire, a sixth-century kingdom ruled by Link, a horrifying and evil entity from the future.

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.

Matt Reddy and his sailors have fought, bled, and died for their Lemurian friends and other allies from across time, but their enemies are still operational. In Africa, the Grik General Esshk has escaped defeat to build a new army and new weapons, and is desperate enough to use them to destroy the world if he can't have it.

Previously, Dom's adventures took him through mountains, saving princesses and others and escorting them to the palace. During his journeys, he became fatally injured and ended up in a healing clinic visited by a deity. The god healed Dom and revealed information about how he ended up in Risona and that his family was in danger. With this information, Dom races across the kingdom to save his family, but his mind is filled with anxiety because of the warning Medum gave him. With the help of his family and others, Dom defeats the demonesses and allies they brought.

The modern West Virginia town of Grantville has been displaced in time to continental Europe in 1632. Now four years have passed. The long-feared attack on Austria by the Ottoman Empire has begun. Armed with new weapons inspired by the time-displaced Americans of Grantville, the Turks are determined to do what they were unable to do in the universe the Americans came from: capture Vienna.

There is only one place Kendra Donovan wants to travel - back to her own time period in the 21st century. But since that's not happening, she agrees instead to travel with her new guardian, the Duke of Aldridge, to one of his smaller estates in Lancashire. Their journey takes them through Yorkshire, a region whose breathtaking beauty masks a simmering violence brought on by the Industrial Revolution, which pits mill owner against worker.

February 1816: A race through the icy, twisting cobblestone streets of London ends inside an abandoned church - and a horrific discovery. Bow Street Runner Sam Kelly is called to investigate the grisly murder of Sir Giles Holbrooke, who was left naked and garroted, with his tongue cut out. Yet it becomes even stranger when symbols that resemble crosses mysteriously begin to appear across the dead man's flesh during autopsy. Sam turns to the one person in the kingdom who he believes can solve the bizarre murder - the Duke of Aldridge's odd but brilliant ward, Kendra Donovan.

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.

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...

Cassandra Collins is forced to make a choice. She can do what she's told and have a safe, protected life. Or she can strike out on her own and make her own way. Cassandra chooses the easy path and regrets it her whole life. Until she dies and wakes up in her 18-year-old body, on the cusp of that same decision.

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 Silurian Period, approximately 420 million years ago. A time even before the dinosaurs. Evolution was just beginning to flex its muscles, and on land and in the sea, new creatures were evolving. In this strange world arrive a team of time travelling North Korean agents with one goal – change the past and alter the future. And if they are successful, the United States may never exist. Following them back in time are Alex Hunter and his team of elite HAWCs. And for Alex Hunter, this mission is personal.

Danny Taylor thinks he's just the butler. Then, his eccentric employer's apocalyptic predictions, impossibly, come true. In an instant, the Earth transforms into a ruthless world of magic governed by an unforgiving System. His master gains land and authority, but an unexplained afflictions renders him unable to rule his new kingdom.

When Rigg and his friends crossed the Wall between the only world they knew and a world they could not imagine, he hoped he was leading them to safety. But the dangers in this new wallfold are more difficult to see. Rigg, Umbo, and Param know that they cannot trust the expendable, Vadesh - a machine shaped like a human, created to deceive - but they are no longer certain that they can even trust one another. But they will have little choice.

Best friends Maya and Tucker didn't expect to spend their spring break onboard the Titanic—in 1912. But now that they've discovered a special collection of artifacts has the power to send them back in time, they're on a mission. They must travel back in time again to save their friend Liam and his parents, third-class passengers onboard the Titanic, and change history. Can they convince the captain to change the course of the doomed ship before it hits the iceberg?

It is 2056. Mathematics professor Elisabeth Gabai is fascinated by multi-dimensional forms that have no equivalent in reality. Then, her boss sends her to the site of an artifact that might have come straight from her theories—or from the technology of an advanced civilization. Twenty-eight years earlier, physicist Max Webber is hell-bent on improving Einstein’s theories of relativity. His latest concept seems flawless, except it predicts the end of humanity. The extinction of Earth can only be prevented if Max can locate a multi-dimensional object.