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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.

A statue, a coin, an old book - they look as dusty as everything else in the Faulkner Antiquarian Bookstore. But when Sam Falkner slips the coin into the statue, he's swept back to Scotland in A.D. 900 - the age of the Vikings. He must find both the statue and another coin in order to escape. It's the first journey in an adventure that will take him to ancient Egypt, World War I, even Dracula's castle...and a mystery that will end only if Sam can find his father in time - literally.

When Maisie’s mom gives her an old phone, Maisie can’t believe her luck—finally, she can keep up with everyone at school! Unfortunately, her mom also tells her that the whole family will be moving to spend the summer taking care of Maisie’s great-aunt Hazel. Maisie’s only getting a phone because she’ll be responsible for her younger siblings during the entire trip. With that, Maisie is ready to give the phone back. Then the first puzzling text comes in.

From #1 New York Times bestselling Sisterhood of the Traveling Pants author Ann Brashares and her brother Ben Brashares comes the second book in the action-packed middle grade alternate history thriller trilogy that asks what present-day America would be like if Germany had won World War II.

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....

In this instalment, The Timekeepers are whirled back in time to 1903 in Kitty Hawk, North Carolina. An exhausted Orville and Wilbur Wright are desperately trying to fix their airplane. Their initial tests had been so promising, but all of a sudden, the Wright Flyer's propeller has gone missing! The Timekeepers realize it's been stolen by villainous DeLay, and only they can help save the day and put history back on track.

Federico doesn’t mind being a political hostage in the Pope’s palace, especially now that he has a cat as a friend. But he must admit that a kitten walking into a wardrobe and returning full-grown a moment later is quite odd. Even stranger is Herbert, apparently an art collector from the future, who emerges from the wardrobe the next night. Herbert barters with Federico to get a sketch signed by the famous painter Raphael, but his plans take a dangerous turn when he hurries back to his era, desperate to save a dying girl.

Twins Pew and Basket Church dream of escaping the miserable misfortune of their isolated orphanage. Or, even better, the return of their unknown parents. But even in their wildest dreams, they never imagined the truth: The twins can travel through time. Armed only with perplexing clues to their past and a time travel talisman that is key to their future, Pew and Basket embark on an epic quest. It takes them into George Washington’s war tent and on a hunt for the Liberty Bell, from the battlefields of the American Revolution to a pirate republic in the Caribbean and beyond.

Join Jennifer and Daniel in a thrilling journey back to 1631, where they meet Galileo, witness his astronomical discoveries, test their problem-solving skills, and explore the cosmos.

Oscar Ogilvie is living with his dad in a house at the end of Lucifer Street, in Cairo, Illinois, when world events change his life forever. The great stock market crash has rippled across the country, and the bank takes over their home - along with all their cherished model trains. Oscar’s dad is forced to head west in search of work, and Oscar must move in with his no-nonsense aunt Carmen. Only a mysterious drifter helps alleviate Oscar’s loneliness.

Did you know that our word Thursday comes from the Viking god Thor...as in Thor's Day? Neither did the Time Warp Trio. Did you know that if you say "Thursday" over and over again too close to a certain magic book, you will get sucked back 2,000 years to the time of the Vikings? Neither did the Time Warp Trio. Can our trusty heroes, Joe, Sam, and Fred, survive a wild ride with Leif Eriksson, match wits with his evil cousin, and get back home in one piece?

When George finds a way to escape the spacecraft Artemis, where he has been trapped, he is overjoyed. Surely now he can return to Earth. But when George touches down, he knows immediately that something is wrong. There’s a barren wasteland where his home town used to be, intelligent robots roam the streets, and no one will talk to George about the Earth that he used to know. With the help of an unexpected new friend, can George find out what - or who - is behind this terrible new world, before it’s too late?

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.

Where did Professor Abner Jefferson go? Can the kids put history back together, find the pieces of the puzzle, and save Professor Abner or will they be stuck in history forever?

In The Scepter of Fire, 12-year-old Oliver Blue is dispatched on an urgent mission to save the School for Seers. He must travel back in time, to Florence, 1592, to find the only artifact that can save them all. Yet the secret is guarded by none other than Galileo himself. As Oliver searches for one of the great scientists and inventors of all time, the man who invented the telescope and who discovered planets, Oliver must wonder: is a he a seer, too? And what other secrets is he holding?

Orphans Pew and Basket Church managed to escape (barely) the clutches of time’s greatest villain and dash his hopes of world domination (he didn’t take too kindly to that). Even more shocking than discovering they can travel through time (and have a mission to protect it)? It turns out the Church family treasure their enigmatic time-traveling parents left behind is actually a long-lost, much-wished for relative. The twins follow clues and riddles to Ancient Egypt—and land right in the middle of a deadly power struggle between Cleopatra and her brother, Ptolemy.

It’s Christmas time, and Becky and Joe Mellor have returned to Bowen Hall to attend the annual GITT Christmas Party - "The Enchantment Beneath the Sea Dance". However, when the party comes to a sudden, terrifying end, they are pitched into a quest for the all-powerful Spear of Fate. So begins an electrifying adventure that leads Becky, Joe, Uncle Percy and Will to the depths of the Indian Ocean, the peaks of the Himalayas and the deserts of Ancient Egypt - battling Mummies, Yetis, and a villain that Uncle Percy describes as "the vilest monster to have ever walked the earth".

In The Orb of Kandra, 11 year old Oliver Blue is back in the present day, racing to save Armando before his destined moment to die. But when Oliver learns that the sacred Orb of Kandra has been stolen, he knows it is up to him - and him alone - to save the school. And the only way is to travel back in time, to the England of 1690s, and to save one very important person: Sir Isaac Newton. The Obsidian School, meanwhile, all are bent on Oliver’s destruction. And when they enlist and transform Oliver’s bully brother, Chris, it may just mean a fight to the death.

When Charlie’s longed-for brother is born with a serious heart condition, Charlie’s world is turned upside down. Upset and afraid, Charlie flees the hospital and makes for the ancient forest on the edge of town. There Charlie finds a boy floating face-down in the stream, injured, but alive. But when Charlie sets off back to the hospital to fetch help, it seems the forest has changed. It’s become a place as strange and wild as the boy dressed in deerskins.

Siblings Abby and Doc have been racing through time to fix history after Abraham Lincoln, Abigail Adams, and Neil Armstrong started popping up in the wrong places, at the wrong times. When Amelia Earhart accidentally lands her plane in ancient Greece, Abby and Doc partner with Kyniska, the first woman to win the Olympics, to get Amelia back on track to finish her first solo flight across the Atlantic.