Teen Time Travel

The man they took prisoner was not the Jonathan Tibbs they remembered. He said that time was running out. That the world faced an enemy it could not defeat. He said everything depended on whether or not they could make a leap of faith. Then, he asked them for five nuclear warheads. The Never Army is the final installment in The Chronicles of Jonathan Tibbs - a mind-bending, genre-crossing, multiple award-winning, action-adventure trilogy.

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.

Welcome to season three! Return to the Demigods Academy in this new, exciting installment full of your favorite Gods and Demigods. After waking up on the floor of an abandoned warehouse, with no memory of her life, where she came from, or even an ID, Nicole had to resort to the oldest profession in the world—relax, she’s just stealing for a living. Unlike her best friend, Pinky, she has never believed in the Gods or their legendary academy, where special recruits train to become Demigods and protect the world.

Joey Harker never wanted to be a leader. But he's the one everyone is looking to now that FrostNight looms, and he'll have to step up if he has any hope of saving InterWorld, the Multiverse, and everything in between.

The distant future. Earth’s Alliance forces have emerged victorious from a brutal nine-year war with the mysterious Kastazi - a vicious, highly advanced alien race. In the dawn of a new peace, the Alliance Devastation Class starship California embarks on a mission of science and learning with a skeleton crew of seasoned officers, civilian students, and inexperienced military cadets in tow. For JD Marshall and Viv Nixon, gifted cadets and best friends, the mission holds special meaning: It offers an opportunity to prove themselves.

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.

Georgia would love nothing more than to raise horses every day and avoid her annoying stepbrother at all costs. But she could never have guessed that a tiny, antique winged horse figurine would be the key to her escape to another world and another time. When Georgia arrives in a 16th-century city called Remora, she is plunged into a dangerous and treacherous world of horse-racing, family honor, and deadly rivalry.

Ten teenagers broke behavioral law. Sentenced to be reeducated on the moon of Jerem, they were placed in stasis on the automated ship Phetteron for their six day journey. They never reached their destination. Thrown off course by a computer malfunction, the Phetteron is damaged in an asteroid belt and crash lands on the uninhabited ice planet of Valkrys.

A touch of computer keys, a blast of heat, and suddenly the Murry twins, Sandy and Dennys, are gasping in a shimmering desert land. If only the brothers had normal parents, not a scientist mother and a father who experiments with space and time travel. If only the Murry twins had noticed the note on the door of their mother's lab: Experiment In Progress. Please Keep Out. But it's too late for regrets.

David King is reeling from his travels through history - and the evil he’s found there. The last thing he needs is his great-great-uncle Jesse’s hospital-bed instructions: You can’t simply do nothing. You must fix things. David and his brother Xander’s search for their abducted mother has repeatedly led them on strange and terrifying journeys as they’ve stepped through the portals of the creepy old house into some of history’s most turbulent moments - and confronted an unimaginably bleak vision of the future.

After Tempara successfully saved three of her Greater Temporal Fox family members from the clutches of a dangerous temporal ritual located in the Frozen Reaches, the Fox-turned-Dungeon Core travels south to an entirely different Wildlands region in hopes of freeing even more of her family. While it was treacherous in the cold, northern region where she called home, the new region is unlike anything she has ever encountered before.

Seventeen-year-old tagger Saira Elian can handle anything.… A mother who mysteriously disappears, a stranger who stalks her around London, and even the noble English grandmother who kicked Saira and her mother out of the family. But when an old graffiti tag in a Tube station transports Saira to the 19th century and she comes face-to-face with Jack the Ripper, she realizes she needs help after all.

For years, SauraCorps has kept its existence confidential while touting themselves as a run-of-the-mill dinosaur museum. For two Utah teens, Kamren and Vivienne, a care-free night to themselves quickly turns into a daunting trek through an exotic, unfamiliar time. Not only do they stumble upon SauraCorps’ nefarious agenda, they also encounter major discrepancies concerning the past that would rewrite history books as we know them.

All Luis Gonzalez wants is to go to prom with his boyfriend, something his 'progressive' school still doesn’t allow. Not after what happened with Chaz Wilson. But that was ages ago, when Luis’ parents were in high school; it would never happen today, right? He’s determined to find a way to give his LGBTQ friends the respect they deserve (while also not risking his chance to be prom king, just saying). When a hit on the head knocks him back in time to 1985 and he meets the doomed young Chaz himself, Luis concocts a new plan - he’s going to give this guy his first real kiss.

Martin Conway comes from a family filled with heroes and disgraces. His grandfather was a statesman who worked at the US Embassy in London during WWII. His father is an alcoholic who left his family. His sister is an overachieving Ivy League graduate. And Martin? Martin is stuck in between—floundering. But during the summer after 7th grade, Martin meets a boy who will change his life forever. Jimmy Harker appears one night with a deceptively simple question: Will you help?

Otto and Sheed are the local sleuths in their zany Virginia town, masters of unraveling mischief using their unmatched powers of deduction. And as the summer winds down and the first day of school looms, the boys are craving just a little bit more time for fun, even as they bicker over what kind of fun they want to have. That is, until a mysterious man appears with a camera that literally freezes time.

Phoebe Mendel’s day is never ending--literally. On August 6th, she woke up to find herself stuck in a time loop. And for nearly a month of August 6ths since, Phoebe has relived the same day: pancakes with Mom in the morning, Scrabble with Dad in the afternoon, and constant research into how to reach tomorrow and make it to her appointment with a doctor who may actually take her IBS seriously. Everything is exactly, agonizingly the same. That is, until the most mundane car crash ever sends Phoebe’s childhood crush Jess crashing into the time loop.

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.

In honor of Madeleine L'Engle's 100th Birthday, fans are invited to enjoy this archival audiobook, originally recorded in 1996 and newly restored! Listen to the voice of the author as Madeleine L'Engle reads A Swiftly Tilting Planet.

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.