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Traveling through caves, jumping through time. Nothing interesting ever happens in Diamond Falls, West Virginia, and that's doubly true for local teenagers Emma and Brody. Little do they know that their neighbor, a famous geologist, is about to show them the wildest time of their lives.

You’ve never seen Earth like this before: continents reshaped, oceans re-formed, cities rebuilt, and mountains sculpted anew. Dinosaurs roam the plains alongside herds of buffalo, and giant robots navigate the same waters as steam-powered ships.

Imagine a world where the past, present and future have collided. A world that is timeless. This is the world Diego was born into.... For fans of Rick Riordan and Brian Selznick, Armand Baltazar introduces the first book in a new fantasy adventure series. You've never seen Earth like this before: continents reshaped, oceans re-formed, cities rebuilt. Dinosaurs roam the plains alongside herds of buffalo, and giant robots navigate the same waters as steam-powered ships.

When 12-year-old Gertie Milk washes up on the island of Skuldark, she finds that all of her memories are gone. Home to helpful Slug Lamps, delicious moonberries, and a ferocious Guard Worm, the island is full of oddities, including a cozy cottage containing artifacts from every corner of history. It is there that Gertie discovers she has been chosen as the next Keeper of Lost Things, tasked with the mission of returning objects to history's most important figures right when they need them most.

Nolan is a typical kid living in a typical 21st-century American town. Ben Franklin is, well, Ben Franklin - Founding Father, inventor of the lightning rod and bifocals and more. When, through a bizarre set of circumstances, Nolan and his little sister, Olive, find Ben in their house, chaos isn't far behind. From introducing him to the toaster to taking him to the public library (another Ben invention) to preventing a nosy neighbor from blowing Ben's cover, Nolan does his best to be Ben's tour guide to the new world he helped form.

A new spine-chilling collection of 12 adventures packed with terrifying Doctor Who monsters and villains, just in time for Halloween. Written by Jacqueline Rayner, Mike Tucker, Paul Magrs, Richard Dungworth, Scott Handcock and Craig Donaghy, each story stars an incarnation of the Doctor on a brand-new adventure in time and space. Each also features a frightening nemesis for the Doctor to face, plus appearances from favourite friends and companions such as Sarah Jane, Jo, Ace and Donna.

Jodie lives in the year 2075, and more than 50 years have passed since the banning of books and paper; it's a time when no one can own a printed book. In this E-world, experiences are largely simulated, from the reconstituted food, to the zoo that only shows films of all the extinct species. With her student library card, which gives her the ability to time travel, Jodie discovers that she and her friends can experience historical events and meet legendary characters, and can also find and bring home her precious books to keep safe in her secret hiding place.

Sam Miracle never thought that his future could lie in the past. But after leaping through centuries at the side of a mystical time walker, Sam and his best friend, Glory, know that the next morning's sun could belong to yesterday as easily as tomorrow. But no day is safe. Since the Vulture escaped, Sam and Glory's greatest nemesis has left no time nor place unmarked by his path of destruction. At least Sam and Glory have Peter, the youngest version of their mentor, Father Tiempo, to help repair the sands of time...until they don't.

In New York Times best-selling author Dan Gutman's all-new series, which blends fascinating real history with an action-packed adventure, four very different kids are picked by a mysterious billionaire to travel through time and photograph some of history's most important events. This time, Luke, Julia, David, and Isabel are headed to the deck of the doomed Titanic. Their mission? Capture a shot of the sinking ship, then come right back.

Salem, Massachusetts, was home to one of the most infamous periods in American history. False witches were burned at the stake while actual witches stood by and watched in reverie. The flames scratched the skies with horrendous height as the heart of man darkened. At least that's how the story goes. Sparrow is a teen who loves everything vintage. Jason is her best friend who relies on their friendship as a steady constant in his life.

David Johnson is an ordinary 10-year-old schoolboy who has by pure chance twice stumbled across a time tunnel that takes him back to Roman Londinium. His adventures have led him to become a minor celebrity as well as helping him to do a lot better at school. However, now it is the summer holidays and he is off to North Devon with his mum, his uncle and aunt, and his cousin Sarah.

In the sequel to Time Tunnel to Londinium, David Johnson returns to Roman Britain, this time 50 years later than his previous visit. His friend is now an old man but, once more, David is able to help Marcus with a bit of a problem, as well as helping out a group of archaeologists in his own time period. A mix of time travel fun and some real historical facts to stir up a bit of interest in history.

Andrew Mitchell was one of the leading experts in highly advanced technology in Silicon Valley until he vanished following a car accident, which also injured his son, Alex. When a mysterious app later appears on Alex's phone, he and his friend Stephanie embark on a terrifying journey involving secret technology, corporate espionage, kidnapping, and murder in a desperate bid to save the future from the sinister Veronica Castlewood.

When one of the time-traveling crew is running for student-body president at Manchester Middle School, Rush Revere takes them back in history to witness the election and leadership of our first three presidents.

On his 12th birthday, Al Chaudhury receives a letter from his dead father. It directs him to the bunker of their old house, where Al finds a time machine (an ancient computer and a tin bucket). The letter also outlines a mission: travel back to 1984 and prevent the go-kart accident that will eventually take his father's life. But as Al soon discovers, whizzing back 30 years requires not only imagination and courage, but also lying to your mom, stealing a moped, and setting your school on fire - oh, and keeping your pet hamster safe.

Orphan. Thief. Witch. Twelve-year-old Quicksilver lives as a thief in the sleepy town of Willow-on-the-River. Her only companions are her faithful dog and partner in crime, Fox - and Sly Boots, the shy boy who lets her live in his attic when it’s too cold to sleep on the rooftops. It’s a lonesome life, but Quicksilver is used to being alone. When you are alone, no one can hurt you. No one can abandon you. Then one day Quicksilver discovers that she can perform magic. Real magic. The kind that isn’t supposed to exist anymore.

David Johnson is an ordinary 10-year-old schoolboy who doesn't much like school. Then by a freak chance he finds himself travelling back in time nearly 2,000 years. He makes friends with a boy about his own age and later is able to use the time tunnel to benefit both of them in different ways.

Just when things seem to be getting back to normal, Janie is faced with another big problem: The secret medallion is missing! Who could have taken it? And how will she get it back? Janie can't be the first Bearer of the Medallion to lose the one thing she was to protect above all else.... can she?

My heart is a kaleidoscope, and when we kiss it makes my world unravel.... Last summer, Gottie's life fell apart. Her beloved grandfather, Grey, died, and Jason left her - the boy to whom she lost her virginity (and her heart) - and he wouldn't even hold her hand at the funeral! This summer, still reeling from twin heartbreaks, Gottie is lost and alone and burying herself in equations. Until, after five years' absence, Thomas comes home: former boy next door. Former best friend. Former everything.

Sam Miracle's life is made up of dreams - dreams where he's a courageous, legendary hero instead of a foster kid with two bad arms that can barely move. Sometimes these dreams feel so real, they seem like forgotten memories. And sometimes they make him believe that his arms might come alive again. But Sam is about to discover that the world he knows and the world he imagines are separated by only one thing: time. And that separation is only an illusion.