Science Fiction Time Travel

When a spontaneous time leap sends Nickolas Flux back to the attack on Pearl Harbor, what's a teenage history buff to do? Try to avoid going down with the battleships, of course!

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.

The magic tree house has returned, and it's taking Jack and Annie back in time to Alaska, 1925. There they meet Balto, a jet-black Siberian husky destined to save victims of the diphtheria epidemic. But the trail isn't easy, and Balto is going to need Jack and Annie's help!

Fourteen-year-old Gina Martin is a straight-A student and a bit of an introvert with no real interest in boys or a social life outside of a few close friends…until the 10th anniversary of the mysterious death of her father, when she is drawn to the eerie old park where he used to take her, and its scary, crumbling old tower. Inside, she accidentally discovers a portal that delivers her to the 1700s, where she eventually meets Philip, a young Noble who has been tasked with settling Spain’s “La Florida” territory.

The Light Brigade: it’s what soldiers fighting the war against Mars call the ones who come back...different. Grunts in the corporate corps get busted down into light to travel to and from interplanetary battlefronts. Everyone is changed by what the corps must do in order to break them down into light. Those who survive learn to stick to the mission brief - no matter what actually happens during combat. Dietz, a fresh recruit in the infantry, begins to experience combat drops that don’t sync up with the platoon’s.

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.

The Jon Ryan of the distant future has an uncontrollable knack for mischief. Now it's really gotten him in trouble. If the universe had a principal's office, he'd be sitting outside it for the next million years! They say the road to hell is paved with good intentions. Look that up, and you'll find Jon's picture in the Wikipedia article. After the evil clan no-time Earth, he simply wanted to restore his home world. And Jon did, but was he satisfied? No. Then he decided to try to repair that timeline to the exact one it had originally been. Talk about a harebrained notion.

An ancient highlander who’s never been allowed to love. A modern woman who keeps men at arm’s length. Can their passion overcome their pasts? Althea Jarden’s botanical fieldwork keeps her happily busy, but it has kept her from relationships as well - by design. But all the self-reliance in the world can’t prepare her for being taken to ancient Scotland and what she finds there.

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.

Kin Stewart is an everyday family man: working in IT, trying to keep the spark in his marriage, struggling to connect with his teenage daughter, Miranda. But his current life is a far cry from his previous career...as a time-traveling secret agent from 2142. Stranded in suburban San Francisco since the 1990s after a botched mission, Kin has kept his past hidden from everyone around him, despite the increasing blackouts and memory loss affecting his time-traveler’s brain. Until one afternoon, his “rescue” team arrives - 18 years too late.

London 1888. His Majesty's airships troll the sky powered by antigrav liftwood as a cabal of Iron Lords tightens its hold on a Britain choked by the fumes of industry. Mars has been colonized, and clockwork assassins stalk the European corridors of power. And somewhere far to the east, the Old Man of the Mountains plots the end of the world with his Forever Engine. Enter Jack Fargo. Scholar. Former special forces operator in Afghanistan. A man from our own near future thrust back in time - or to wherever it is that this Brave Victorian World actually exists.

When a letter from her late grandmother sends Kara Forrester to Scotland to solve an ancient family mystery, she finds herself transported to 14th century Scotland. Arriving on the property of a dashing medieval laird, she must convince him that he can trust her - and work with her to prevent a looming tragedy. Taking on the mantle of leadership of Clan Macleay in his cousin's absence, Ronan struggles with the breadth of his new duties.

Follow the disaster magnets of St Mary's as they hurtle around history! The ninth book in The Chronicles of St Mary's Series collects the best-selling short stories in audio for the first time.

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.

Hart Tanner is a con man; a grifter who enjoys gaming people as much as he enjoys whatever ill-gotten gains he might receive. When he dies an embarrassing, pain-riddled death, he is beyond surprised to wake up at an earlier point in his life with all memories still intact. A con man with access to life after life with no real consequences, why would he ever change the way he lives? But Hart Tanner does change. No matter how stubbornly he clings to his own resistance.

In this companion volume to A Wrinkle in Time (Newbery Award winner) and A Wind in the Door fifteen-year-old Charles Wallace and the unicorn Gaudior undertake a perilous journey through time in a desperate attempt to stop the destruction of the world by the mad dictator Madog Branzillo. They are not alone in their quest. Charles Wallace's sister, Meg - grown and expecting her first child, but still able to enter her brother's thoughts and emotions by "kything" - goes with him in spirit.

Contains books one and two of The Stasis Stories: A Pause in Space-Time (Book 1) and The Thunder of Engines (Book 2). Kaem Seba is a sickly and financially destitute young man with extraordinary math skills. With the help of Arya Vaii, a business student, he has developed a theory and an electronic device that allows him to stop time within limited volumes of space-time.

Settle down with a mince pie and a small sherry and prepare for an unlikely combination of Flying Auctions, Fabergé eggs, duped Time Police officers, the Parish Council, a TWOCed Bentley (no, not that one), legendary swords and a belligerent ram. Will it be peace and goodwill to all men? Well, we all know the answer to that....

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.

It’s 1637 in the Caribbean. Commander Eddie Cantrell and his ally and friend Admiral Martin Tromp start it off with some nasty surprises for Spain, whose centuries-long exploitation and rapine of the New World has run unchecked. Until now. Yet life goes on in the Caribbean. New friendships must be forged with the native peoples, who will not only shape the colonists’ future in the Caribbean but will also decide whether they will be given access to a Louisiana oilfield that could change the balance of power.