Science Fiction Time Travel

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.

The year is 1989. America has just invaded Noriega's Panama. And Specialist Bennett's platoon of Cav Scouts are in country… with, frankly, not a whole lot to do. Until a freak rainstorm somehow transports the entire platoon—Humvees, weapons, and all—to another world. A world controlled by a wicked Aztec god. The Land of the Black Sun. In a heartbeat, the Scouts find themselves fighting for their lives against savage beasts, witches, zombies, subhuman tribes seeking sacrifices… and even themselves.

Then: First Lieutenant Sean Elliott and nine other mixed-service US soldiers on a convoy in Afghanistan suddenly found themselves and their MRAP vehicle thrown back to Earth’s Paleolithic Age. And they were not alone. Displaced Romans, Neolithic Europeans, and more showed up as well. Some would be allies. Some became deadly foes. Now: Scientists from an almost unimaginably far future need the survivors’ advice and support to reconnoiter and ultimately recover other groups displaced in time.

On the primitive world Cull, a knight errant called Anderson hunts a dragon, not knowing that elsewhere is a resurrected brass killing machine, Mr Crane, assisting in a similar hunt. Learning that this old enemy still lives, agent Cormac pursues while scientist Mika begins discovering the horrifying truth about an ancient alien technology. Each day is a survival struggle for the people of Cull. Ferocious insectile monsters roam their planet as they try to escape to their forefathers' starship, still orbiting far above them.

Being a first-generation Asian American immigrant is hard. You know what’s harder? Being the daughter of one. Priscilla is first-generation Korean American, a former high school cheerleader who expects Sam to want the same all-American nightmare. Meanwhile, Sam is a girl of the times who has no energy for clichéd high school aspirations. After a huge blowup, Sam is desperate to get away from Priscilla, but instead, finds herself thrown back. Way back.

Three years after her best friend Peggy went missing, Harper Starling is lost. Lost in her dead-end job, lost in her grief. All she has are regrets and reruns of her favorite science fiction show, Infinite Odyssey. Then Peggy returns and demands to be taken to the Argonaut, the fictional main character of Infinite Odyssey. But the Argonaut is just that … fictional. Until the TV hero himself appears and spirits Harper away from her former best friend. Traveling through time, he explains that Peggy used to travel with him but is now under the thrall of an alien enemy known as the Incarnate.

Once, a girl called Ace travelled the universe with the Doctor - until, in the wake of a terrible tragedy they parted company. Now, decades on, she is known as Dorothy McShane, the reclusive millionaire philanthropist who heads the global organisation A Charitable Earth. But Dorothy is being haunted by terrible nightmares in which she’s abducted to an alien world. Nightmares that begin just as scores of young runaways are vanishing from the dark alleyways of London.

Jack and Annie are whisked all the way back to the Ice Age in this compelling Magic Tree House time-travel adventure, in which they meet woolly mammoths, cave people...and fierce sabertooth tigers!

Private Detective Greyson Travers has a secret, but he isn’t the only one. When a stunning widow asks him to investigate the suicide of her husband, Greyson plans for an easy resolution. But a quick look into the past gets dangerous for his future. He isn’t the only one interested in the case, and the longer he’s involved, the more victims turn up dead.

In Night of the Ninjas, Jack and Annie meet a real live ninja when the Magic Tree House whisks them back to ancient Japan in search of enchantress Morgan le Fay, who holds the answer to the origins of the Tree House. When they arrive, they find themselves in the cave of a ninja master. Will they learn the secrets of the ninja? Or will the evil samurai warriors get them first?

After surviving a fire that almost killed her, Kate worked hard to rebuild her life post-amputation. She knows her own strength. In life and in work, she never backs down from a challenge. But when she travels into the past to be with her sister, she meets a man who forces her to face truths about herself she'd rather avoid - that when it comes to love, nothing terrifies her more.

The members of the Polaris Project knew what they were giving up when they volunteered to fly to the star named Angel-21, but the allure of being the first explorers to leave the Solar System far outweighed the risks. As it turned out, the most dangerous thing they faced wasn't the mission, it was the homecoming. Eight hundred years have passed, and Earth is nothing like they thought it would be.

Through the skillful application of being barely competent, Captain Iridius B. Franklin and the crew of the FSC Deus Ex have managed to triumph in not just one adventure but two. Unfortunately, despite being assured this sort of thing doesn't happen to space adventurers nearly as often as is assumed, Iridius and his crew have been flung almost a year back in time. Now, in order to stop an existential threat to the galaxy and ensure they don't cause irreparable damage to the space-time continuum, the crew of the Deus Ex must set out to find their way back to the future.

Tom, a 28-year-old investment banker, lives a successful life in London with his girlfriend, Ana. Intending to propose, he flies to Spain, seeking her family’s blessing. But his plan runs aground when Ana’s grandfather, Tito, insists the union cannot proceed until Tom walks the Camino de Santiago, an 800-kilometre pilgrimage across Spain.

An audio bundle of three Doctor Who stories to celebrate the 60th anniversary: this collection includes 1990s - Wannabes by Dave Rudden, 2000s - The Monster in the Cupboard by Kalynn Bayron and 2010s - The Angel of Redemption by Nikita Gill.

Buck is finally making headway on his journey east. Until he runs into something bigger than all of them. Garth is spinning his wheels. He has a companion who is a great deal of work, but she's also a huge help when he needs it most. Together, they try to dig themselves out of a deep hole. The skies are angry and the time waves are increasing. Nowhere is safe. Except one place and that's not very safe, either. The stakes increase with the struggles as all the players are trying to stay alive long enough to figure it out.

This hard sci-fi novel is the second book of the Time-Flow Stories, a series of tales about Witt Ryllin, a young man who abruptly gains the ability to psychically control the flow of time. It’s also the fifth story in a combined series of tales that begins with the novelette Porter and the two Blindspot Stories. In this book, by luck of the draw, Witt and Hax Buchry become roommates in their college athletic dorm. Through that connection, Witt meets Hax’s sister Roni (you’ve hopefully met Roni and Hax and learned about their talents in the Blindspot books).

The United Sovereign States of Russia struggles to set in place the traditions and legal precedents that will let it turn into a constitutional monarchy with freedom and opportunity for all its citizens. At the same time, they’re trying to balance the power of the states and the federal government.

X-Men meets Blake Crouch in the explosive conclusion to Daniel Price’s genre-bending Silvers trilogy about six extraordinary people whose fates become intertwined on an Earth far different from our own...one that is headed for utter destruction.

Enter the mystery, adventure and adaptation to a past and future world of today. An elderly man is missing; it seems he just vanished and is assumed dead. A vagrant appears from nowhere. An autocratic society can track you down with drones. A young Don must attempt to unravel the mystery.