Science Fiction Time Travel

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.

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.

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.

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?

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.

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.

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.

A military unit is thrust back into Paleolithic times with only their guns and portable hardware. Ten soldiers on convoy in Afghanistan suddenly find themselves lost in time. Somehow they arrived in Earth's Paleolithic Asia. With no idea how they arrived or how to get back, the shock of the event is severe. They discover groups of the similarly displaced: imperial Romans, Neolithic Europeans, and a small cadre of East Indian peasants.

Four years after the Nihil and the Order has a new threat. A clay tablet is discovered at an excavation in Knossos, Crete. The text is written in a language that no one can decipher, but the Nazis have come to claim it and Napoleon sends his own Savants Temporal to the Minoan tomb. Meanwhile, something ancient is infecting the descendants of the great houses of Europe. Book four in the best selling Infinity Engine series.

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.

Created as an experiment by the time-traveling goddess Pallas Athene, the Just City is a planned community populated by over 10,000 children and a few hundred adult teachers from all eras of history, along with some handy robots from the far human future - all set down together on a Mediterranean island in the distant 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.

Matt found a way to erase his past regrets. He was an average guy who was pissing and moaning his way toward retirement. Like many people before him, he often wished things had gone differently for him. Be careful what you wish for!

Alexander Grant is a little too good at a few too many things. Two dozen martial arts. Twice that many languages. Chess, the piano, sports, forging excused absences, you name it. He graduated high school top of his class 17 times. Of course, no one knows any of this. Not that he wants to go unnoticed. It’s just safer that way.

Fourteen-year-old Nephele used to have friends. Well, she had a friend. That friend made the adjustment to high school easily, leaving Nephele behind in the process. And as Nephele looks ahead, all she can see is three very lonely years. Nephele is also a whip-smart lover of math and science, so she makes a plan. Step one: invent time travel. Step two: go back in time, have a do-over of ninth grade, crack the code on making friends, and become beloved and popular. Does it work? Sort of. Nephele does travel through time, but not the way she planned - she’s created a time loop.

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.

Almost a year has passed since Stella and Tom discovered a time tunnel and travelled to early 1900s London, where they befriended Emma, Lucy ,and Jack. The magical moles that made the tunnel and secret lake appear have since vanished, but the children are longing to meet again. Then an illness, which puts Emma’s life in danger, changes everything. The moles reappear, just when needed, and Lucy realizes the only hope of finding a cure lies in the future.

During the test flight of a prototype faster-than-light craft, Lt. Commander Ky is flung into an ancient past that never existed. Rome has fallen, defeated by the mighty Carthaginian Empire, its survivors chased off the continent and onto what had been the remote province of Britannia. Hounded by the Carthaginians bent on conquering the known world, Rome is on the verge of destruction. Stranded and alone, except for a tactical AI implanted in his head, Ky has lost everything and must find a way to live in a world different than anything he's ever known.

Seventeen-year-old Molly's recurrent nightmares become waking visions after she nearly drowns at a party. Soon she's witnessing events through the eyes of a girl who lived in her father's house nearly a century before.

Time is running out for planet Earth. Marseria, the insidious Martian plague, has been infecting our planet for over twenty years and has resisted every human effort to eradicate it. With all life on Earth facing extinction, the only solution left is to directly access a specific piece of Martian technology. But, according to diaries left behind by Ogilvy the astronomer, the Martians have hidden it at the lake on the moon.