Science Fiction Time Travel

A cave-diving expedition gone wrong. Oh so wrong. But there just might be a few perks... When a hidden portal opens into a prehistoric world, it's up to me, Professor Jake Montblanc, to save my all-girl college class from extinction. With danger lurking in the jungle and survival on the line, what am I supposed to do with twelve horny college babes? Protect them. Build them shelter. Make them as happy as possible.

She was born with a secret. She swore to never reveal it. But will love test that oath? Gemma is a time spirit. She can travel through history in a blink. What if people knew her powers? Would they try to abuse her gift? Life as a high school loner isn't so bad. But will Harrison change all of that? He seems to like her and falling for him is impossible to resist, but can she keep her secret? Breaking her oath will have dire consequences.

Ryan "Quicksave" Romano is an eccentric adventurer with a strange power: he can create a save-point in time and redo his life whenever he dies. Arriving in New Rome, the glitzy capital of sin of a rebuilding Europe, he finds the city torn between mega-corporations, sponsored heroes, super-powered criminals, and true monsters. It's a time of chaos, where potions can grant the power to rule the world and dangers lurk everywhere.

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.

It started as a routine Miami to Charlotte flight for the passengers, crew, and Federal Air Marshal Stephen Mason. But a freak storm over the Atlantic propels the airliner unexplainably back in time to the early 18th century. They find themselves on the sparsely populated coast of the Carolina Colony. Charles Town is the only English settlement of any size in the area. It's an inhospitable place of vast plantations, slavery, hostile natives, tall ships, and marauding pirates.

When Micajah Fenton discovers a crater in his front yard with a broken time glider in the bottom and a naked, virtual woman on his lawn, he delays his plans to kill himself. While helping repair the marooned time traveler's glider, Cager realizes it can return him to his past to correct a mistake that had haunted him his entire life. As payment for his help, the virtual creature living in the circuitry of the marooned glider, sends Cager back in time as his 10-year-old self.

Mists of Kragdon-ah tells the story of what happened to Alex, Monda-ak, Amy, and Sanda, and everyone aboard The Senta-eh inside the fog. Mysterious airships, strange creatures never seen on Earth, and dangerous quests will keep you on the edge of your seat.

Not one to let being banged up in Sick Bay stop her, Max has had a brilliant idea. But she needs Markham to execute it on her behalf. The subject of this cunning plan is Peterson, struggling with another bereavement and not doing very well. What’s needed to get him through it is sympathy, sensitivity, tact and understanding. Step forward Mr Markham, for whom sympathy, sensitivity, etc., are things that happen to other people.

Have you ever worried about your memory, because it doesn't seem to recall exactly the same past from one day to the next? Have you ever thought that the whole universe might be a crazy, mixed-up dream? If you have, then you've had hints of the Change War.

Sam Ryder's life already sucks, and it's about to get worse when he's fired from his dead-end job as a programmer. He's about to head home to escape into his favorite RPG, Alien Civilization, when he's offered a thrill ride on a death machine by a gorgeous woman straight out of one of his games. Before Sam can say "WTF?", he's been whisked away to a dark world of monsters and goddesses, his body transformed from Outcast to Warrior, the second level on a ladder that may eventually carry him all the way to Demigod.

Alex Hawk has trained the far-flung armies of Kragdon-ah. Now, Alex and his armies will face a fanatical enemy bent on taking over all of Kragdon-ah. Can the armies of Kragdon-ah stand up to the giant Northmen, or will they need help from an unexpected source?

Still haunted by the disappearance of his little sister, Amy, over 20 years ago, Joseph Bridgeman’s life has fallen apart. When a friend talks him into seeing hypnotherapist Alexia Finch to help with his insomnia, Joseph accidentally discovers he can time travel. His first trip only takes him back a few minutes, but his new-found ability gives him something he hasn’t felt for the longest time: hope.

It's sink or swim for Jack and Annie when Magic Tree House whisks them off to the middle of the ocean. And that's just the beginning....

For a policeman, there can be few things worse than a serial killer loose in your city. Except, perhaps, a serial killer who targets coppers, and a city on the brink of bloody revolution. For Commander Sam Vimes, it all feels horribly familiar. Caught on the roof of a very magical building during a storm, he's found himself back in his own rough, tough past without even the clothes he was standing up in when the lightning struck. Living in the past is hard, especially when your time travel companion is a serial killer who knows where you live.

After carving a free state for itself in war-torn 17th century Europe, citizens of the modern town of Grantville, West Virginia, contend with aristocratic forces determined to keep their grip on power whatever it takes. When Grantville, West Virginia, was transported back to the year 1631 - in the middle of the Thirty Years' War, no less - many things happened.

The time loop is coming to an end. With limited restarts remaining, Zorian and his allies must redouble their efforts to discover how they can prevent the release of an ancient primordial being once the time loop expires and they are returned to the real world—where choices can’t be undone.

An orphan, Blake Walker has never really known who he was, and his strange flashes of intuition have always set him apart from those who raised him and everyone else he has known. Acting on one of those flashes, he prevented a murder. But neither the assailant nor his intended victim were from the world Walker had always known - he had stumbled onto the greatest secret of the ages. Our Earth is only one of an infinite number of Earths, each with a slightly different history from the others, each separated from the others in a crosstime dimension.

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?

Transported from the mid-twentieth century to New York City in the year 1882, Si Morley walks the fashionable "Ladies' Mile" of Broadway, is enchanted by the jingling sleigh bells in Central Park, and solves a 20th-century mystery by discovering its 19th-century roots. Falling in love with a beautiful young woman, he ultimately finds himself forced to choose between his lives in the present and the past. A story that will remain in the listener's memory, Time and Again is a remarkable blending of the troubled present and a nostalgic past....

Home at last after years of exile, Neve and Hugo Everly just want to pick up the pieces of their life and enjoy time with their growing family, but destiny has its own plan. A tragic loss nearly tears the family apart, and an unexpected guest brings a warning of dire events still to come. Hugo and Neve find themselves in danger once again; for outstanding debts must be paid, and old enemies will no longer wait to settle scores.