Science Fiction Time Travel

In this breathtaking conclusion to the epic series, Ky, the pilot from the future, and Lucilla, Empress of Britannia, lead their empire to the climactic showdown against Carthage. The fight in conquered territories, rebelling against Carthaginian overlords, is over, and the battle on Carthage's home soil has begun. Britannia is stretched to the breaking point across a front as wide as the continent, as they begin the most difficult stage of the war. From blood-soaked battlefields to storm-tossed seas, their forces clash in desperate confrontations that will determine the fate of an empire.

Dr. Kelly Connolly is part of a top-secret team studying the most important find in human history - the Enigma Cube, an alien artifact of incomprehensible power. A cube whose technology can catapult civilization to dizzying heights - or destroy it entirely. After years of failed attempts to unlock the cube's secrets, all hell suddenly breaks loose. Kelly and a black-ops commando, Justin Boyd, are soon fighting against all odds to stay alive, and to keep the cube out of enemy hands.

Life is good for Team Weird, now heroes and fully fledged Time Police officers. Luke can't wait to bear arms. Jane has a date. And Matthew still hasn't had his hair cut. But Time waits for no one, and neither do criminal masterminds. A major threat to the Timeline is looming, one far deadlier than mere idiots who want to change history. And when a familiar face becomes a Very Important Lead, will conflicting family loyalties spell trouble for Team Weird?

Imagine a school in the year 2074 where students don't read history, but watch it happen around them; where running in gym class isn't around a track, but up a virtual mountain; and where learning about animals means becoming one through an avatar. Welcome to Cragbridge Hall, the most advanced and prestigious school in the world. Twins Abby and Derick Cragbridge are excited as new students to use their famed grandfather's inventions that make Cragbridge Hall so incredible.

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.

They tried to kill or capture Yozef Kolsko. The possibility that Caedellium could have peaceful years going forward is refuted. The key is bringing down Narthon. But how? Caedellium is too small, despite innovations by Yozef Kolsko (Joseph Colsco) and Mark Kaldwel (Caldwell), humans cast away on the planet Anyar. Allies are needed. Campaigns to be planned. Risks to be taken. For Yozef Kolsko, it means assuming roles he never imagined or believed himself capable. Anyar will never be the same.

El 22 de noviembre de 1963 tres disparos resonaron en Dallas. Murió el presidente Kennedy, y el mundo cambió. ¿Qué harías tú si pudieras impedirlo?

Hackett, in his trusty ship the Perseus, is not just a space traveller—beginning his travels with an expedition to Neptune and back—but, thanks to the time-dilation effect, a time traveller as well. His new mission will take him to Andromeda, to get a close-up look at the constellation which will eventually crash into the Milky Way, and give humanity a heads-up about the challenges which are coming. A mission which will take him five million years to complete. Not only is Hackett exploring unknown space, but he will return to a vastly different time.

Sixteen-year-old Trinity Foxx is used to her grandfather's crazy stories, so she doesn't believe that the latest treasure he brought home is a real dragon's egg. Not until their home is invaded by soldiers trying to steal it and a strange boy telling her the world as she knows it will be wiped out in a fiery dragon war—unless they work together to stop it. Meanwhile, there's a different voice whispering to Trinity, calling to her, telling her what to do…because the dragon in her egg is not ready to give up without a fight.

Sophie Arundel is stranded in history, stuck in a grand house in 1925 England. Thankfully, she has her faithful dog with her. Oh, and her fellow student Hugo, who is fit, privileged, and annoying.

Arlan can go back in time by one minute, once per day. Fail a challenge? Say something dumb? He can get a redo as long as he acts fast. And every time he levels up, he can go back a little further. But, even with his growing power, Arlan has never been in more danger. He was left stranded in the middle of a monster-infested forest, nobody to rely on but himself as he fights to build strength. And his time magic wasn't given to him freely. He stole it. And its original owners would go to any lengths to take it back.

Rosie collapsed on the Seattle sidewalk, alone, cold, and drenched in seawater. Her head ached. Nothing seemed right. And her memory was little more than a fuzzy feeling of foreboding. She knows two things…One: She’s on an important mission. Two: Never mix with the locals. Injured and weary, Rosie knows that if she doesn’t get help, she may not be able to piece together the reason she's in 2018. Her gut says it’s vital. But if she trusts anyone, it could forever alter the timeline. When tough, street-smart Carlos takes her under his wing…the adventure begins.

Three full-length time travel books and a short story from the magical Middle Falls universe: The Stubborn Lives of Hart Tanner, The Alternative Lives of Aiden Anderson, The Heartfelt Life of Max Hartfield, and The Encore Lives of Effie Edenson.

Geneva Fielding is a researcher in the Archives of the Applied History department, prepping time travelers for their destinations. She loves the smell of old paper and chocolate croissants. One day, a Traveler fails an important test and cannot go. Instead of canceling the Trip, the dean appoints Geneva and her friend Peter Donatelli, a physicist, to take his place. They have three days to prepare to Travel to 1630s New England.

The end of the world has been avoided - for now. With Miri and her team of extracted heroes still on the run, Mother, the disgraced former head of the British Secret Service, has other ideas.... While Mother retreats to her bunker to plot her next move, Miri, Ben, Safa and Harry travel far into the future to ensure that they have prevented the apocalypse. But what they find just doesn't make sense. London in 2111 is on the brink of annihilation.

Somebody has to do it, and his mind is sufficiently perverse to qualify for the job. It's the age-old conundrum of time travel. It's the ultimate experiment. He packs a handgun before he steps into the time machine. What happens when a young man travels into the past to kill his own parents? Hello, father. Hello, mother. Good-bye, Thaddeus.

When Kate Pierce-Keller’s grandmother gives her a strange blue medallion and speaks of time travel, sixteen-year-old Kate assumes the old woman is delusional. But it all becomes horrifyingly real when a murder in the past destroys the foundation of Kate’s present-day life. Suddenly, that medallion is the only thing protecting Kate from blinking out of existence. Kate learns that the 1893 killing is part of something much more sinister, and her genetic ability to time travel makes Kate the only one who can fix the future.

Mysterious gateways are appearing throughout the universe, bridging violent civilizations, leading to war, and sowing chaos. While some species succumb to the pandemonium, the Chut’un forge an unholy symbiotic relationship—The Order—with red Europhids, a vast hive intelligence populating the universe’s far reaches. Desiring structure and fearing the unknown, they cull everything opposed to their plan, including the Europhids’ blue counterparts, carrying out a galactic genocide until only one blue Europhid remains...inside Moses Montgomery, a.k.a. "Dark Horse".

The hum of the temporal displacement chamber was a lullaby Roger had come to both cherish and fear. Tonight, it was a desperate plea. Weeks had bled into a silent agony since the light of Project AEON's prototype had swallowed his wife, Rita, and their team whole. The official reports offered sterile condolences and closed files, another casualty of bleeding-edge science. But Roger knew better. He had held Rita's hand as they charted the impossible, mapped the currents of time itself. He knew the whispers of branching realities, the echoes of what-ifs that shimmered just beyond their grasp....

Contains books one and two of Time Wars Last Forever. Jon Ryan is called back two billion years to save the Earth from an unprecedented threat. An alien clan is stealing time. It uses that time energy to power its quest to amass even more time. As the very real possibility of never having existed closes in on humanity, Jon must rally his ragtag forces to do the impossible, yet again. But how can you defeat an enemy who can cause you to never have lived?