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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.

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.

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.

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.

Dash is not the most popular kid in school and often shunned by neighborhood kids. His peers call him different, weird, and other hurtful words. Grief and sadness are his closest friends. But all that is about to change when Dash hears his name whispered on the winds.

We follow the Socker family through many adventures, from encountering the slobbery mouth of the family dog to meeting Santa as he comes down the chimney on Christmas Eve to helping a fireman save a baby to the most shy Socker going to the school dance for the first time. Thanks to the time-travel opportunities afforded by the spin cycle of the washer, they learn about some of the most important humans in the world.

Hi! My name is Janie Ray, and I'm 11 years old. When I first got this diary from my mom, I didn't think I'd have all that much to write about. I mean, let's face it - fifth grade isn't exactly the most exciting thing in the world. But then, really strange things started happening. Like last week, my best friend Sheila and I were hanging out in our clubhouse, drinking lemonade and trying to figure out what to do about Marcia the Snob, when we suddenly noticed a weird inscription on this old medallion I found when I was little.

A visit to the cemetery, a brush against a strange headstone, and Max's life is changed. He experiences flashbacks of a life that isn't his, from a time before he was born. Some of the memories are pleasant, some are... disturbing. Max also sees a boy that no-one else can. He reveals to Max 20-year-old secrets, secrets that someone will go to deadly lengths to keep concealed. To right a tragic wrong, Max must leap into his new friend's past, not knowing how his actions will affect his own reality.

Listen to the second book in the Time Police series. After an audacious escape, the archvillain Draco reappears to try his hand at changing the course of world history. Employing a stolen time machine, the DATT (date and time travel) ski, or DATTski, he is once again pursued by the DATTpolice through time. Follow their daring cat-and-mouse chase along the timeline as we visit some of mankind's most important historical events in a deadly race against time.

Bertram Bile wasn’t always like this. At primary school, he had friends, kind teachers, and great grades. But everything changed when he started his new school. His parents split up, his dad went missing, and his mum lost her job. Now he’s bullied by his classmate Angus and his evil geography teacher, Miss Petrenko. His dad had been Miss Petrenko’s first love, but she never forgave him for dumping her for Bertram’s mum when they were kids themselves.

A girl and her two brothers are transported back to the time of King Arthur, where they must return three magic talismans to their rightful owners or remain trapped forever in the distant past. The adventure begins when Sara Lowry wins a picnic basket at the Firemen's Strawberry Festival. She and her brothers, Greg and Eric, are staying with their uncle at his Hudson Valley estate while their parents are in Japan.

Mr. Edison has just invented a long-burning light bulb, but he's keeping a huge secret: he's also discovered time travel. In fact, he built his own time machine. The kids get an even bigger surprise when a young Mr. Crowe walks into Edison's laboratory - as his assistant! The older and dangerous Mr. Crowe is sneaking around Menlo Park, too, with plans to destroy the time machine. If he does, George and Gracie will be stuck in 1879...forever. The twins need Mr. Edison's help. But can they stop Crowe in time?

In this next adventure, George and Gracie travel back in time to Hershey, Pennsylvania, in 1907. Their mission: To return an antique rug and rescue their parents. When the time machine lands them smack-dab in the middle of a barn, George turns into…something pretty weird. And Gracie drives a car into a fence. They meet Milton Hershey, the chocolate king, who invites them to be his chocolate tasters. But when George and Gracie discover a plot to steal Mr. Hershey's perfect - and secret - chocolate recipe, they put themselves in danger to stop the thieves.

George and Gracie begin their adventure in Dover, Delaware 1776. The kids are surprised to discover that one of them changes into an animal every time they travel, and this time Gracie is a horse. All the twins want to do is return a pair of antique school desks and search for their parents. But instead they find themselves in the middle of the American Revolution and end up helping Caesar Rodney make his famous ride into Philadelphia to vote “yes” for the Declaration of Independence. Crowe lands in Delaware, too, and he plans to take the time machine - with George and Gracie inside!

Becky is a typical 13-year-old girl. She likes Facebook, animals, and plenty of sleep. So when she and her brother Joe are invited to stay with their "loony" Uncle Percy at his stately home, the mysterious Bowen Hall, she thinks it"ll be the worst summer ever. What she doesn't realize is that Bowen Hall is also home to a baby Triceratops, two Sabre-tooth tigers and the mythic hero, Will Scarlet....

Joe Stoshack may be an awkward kid, but he knows baseball - and baseball cards. Since he was seven, he has been collecting them. So when his mother tells him he can earn five dollars by cleaning out an old lady's attic, Joe dreams of the cards he can buy.

It's Christmas time. Isley is a 13-year-old girl, who sees a glowing light on her windowsill. It is the start of many magical adventures and amazing friendships. She befriends scientists, a computer programmer, inventors, aliens, robots, and one of them has invented a time machine. Alien planets and the past and future await her. Along the way, she encounters famous historical figures and modern day celebrities alike.

Tom Edison (no, not that Tom Edison) is a hopeful janitor who dreams of becoming a scientist - and Dr Morice is a shy scientist who dreams of making friends. When an accident at the lab sends them back in time to the stone age, Tom and Dr Morice must work together to face down cavemen, saber-tooth tigers and other BC hazards, with only one problem: Tom isn't very good at science and Dr Morice isn't very good with people.

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.