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When best friends Dak Smyth and Sera Froste stumble upon the secret of time travel - a hand-held device known as the Infinity Ring - they're swept up in a centuries-long secret war for the fate of mankind. Recruited by the Hystorians, a secret society that dates back to Aristotle, the kids learn that history has gone disastrously off course. Now it's up to Dak, Sera, and teenage Hystorian-in-training Riq to travel back in time to fix the Great Breaks . . . and to save Dak's missing parents while they're at it.

Ka the time-travelling cat has disappeared again, and Topher knows that she is in terrible danger. For Ka has gone to Tudor England, a time when cats were tortured. Topher must try to find her, and in doing so, meets up with Doctor Dee - magician and astronomer to Queen Elizabeth I. But Doctor Dee is searching for something far more important than a cat. He must satisfy the Queen by finding the elusive Philosopher’s Stone...Another amazing adventure with Ka and Topher from Julia Jarman.

Jim et Léa sont deux jeunes enfants sélectionnés par le Bureau des Affaires Spatio-Temporelles (Le BAST) pour leurs capacités exceptionnelles. Devenus agents très spéciaux, leur mission est simple : combattre tous les méchants ! Ils peuvent intervenir à toutes les époques grâce à une machine à voyager dans le temps révolutionnaire. Les deux enfants ont grandi ensemble et sont comme frère et sœur. Tout les oppose, mais ils forment un duo de choc.

Dan Gutman has won a wide and growing audience among young readers, who have eagerly devoured all the books in the sports-loving author’s Baseball Card Adventure series. In Ted & Me, time-traveling Stosh has finally been found out by the FBI. Tasked with using his Ted Williams card to go back to 1941 to prevent the attack on Pearl Harbor, Stosh also seizes on the chance to help the Splendid Splinter add even more home runs to his already legendary tally.

Meg Murry, her little brother Charles Wallace, and their mother are having a midnight snack on a dark and stormy night when an unearthly stranger appears at their door. He claims to have been blown off course and goes on to tell them that there is such a thing as a "tesseract", which, if you didn't know, is a wrinkle in time. Meg's father had been experimenting with time travel when he suddenly disappeared. Will Meg, Charles Wallace, and their friend Calvin outwit the forces of evil as they search through space for their father?

Are you ready for a presidential adventure? Jack and Annie are! They are whisked back to Washington, DC, in 1861. Jack can’t wait to meet Abraham Lincoln himself! But the new president is too busy to see them, as he is desperately trying to save a nation in crisis. It’s a race against time as Jack and Annie try to aid a president and a troubled nation!

It's sink or swim for Jack and Annie when Magic Tree House whisks them off to the middle of the ocean. And that's just the beginning....

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.

Daniel X's hunt to eliminate each and every intergalactic criminal on Earth is always relentless, but this time, it's getting personal. Number Three on the List of Alien Outlaws takes the form of raging, soul-possessing fire. And fire transports Daniel back to the most traumatic event of his life-the death of his parents.

Ka, the time-travelling cat, has vanished again, leaving a clue, a Roman word on Topher’s computer - ‘Ca;;LLevA’. At first, Topher isn’t worried. Surely she’s safe among the cat-loving Romans? But when he follows her to Roman Britain, they’re both soon embroiled in conflict. As oppressed Britons fight the Romans, Topher faces a desperate choice - should he help his British brother or his Roman friend?Another thrilling adventure for older children about Ka and Topher, from bestselling author Julia Jarman.

When Sigurd the Viking arrives back in Flotby, not everyone’s pleased to see him - in fact the whole town quickly goes down with a severe attack of Vikingitis! Mr and Mrs Ellis don’t know what to do with him until they hit upon a brilliant idea - perhaps a short spell at school would teach him some twentieth-century manners...

A thrilling sequel to Ted Bell's New York Times best seller Nick of Time, in which the young time traveler Nick McIver must prove his courage once more, on two fronts: in World War Two-era England, where Nazis have invaded his homeland, and in America during the Revolution, where Nick stands shoulder to shoulder with General George Washington.

Critically acclaimed author Margaret Peterson Haddix continues her best-selling Missing series with Sent. Just as best friends Chip and Jonah discover they're actually children kidnapped from history, they get sent back to their proper time period. Now in the 15th century, Jonah realizes he's Edward V, the king of England, and Chip is his younger brother Richard, the Duke of York. Both boys know they need to find a way home fast, because they know their history - Edward and Richard were murdered.

Greetings. The fictional narrative enclosed within this archaic auto-entertainment device is offered for immediate consumption as a temporary diversion to your unremarkable life. Hey. This is a really cool story about our trip to the future. You're gonna love it because we're in it and it's got aliens and it's awesome.

A flash of lightning, quivering ground, and, instead of her grandparents' farm, Polly sees mist and jagged mountains - and coming toward her, a group of young men carrying spears. Why has a time gate opened and dropped Polly into a world that existed 3,000 years ago? Will she be able to get back to the present before the time gate closes - and leaves her to face a group of people who believe in human sacrifice?

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.

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.

Jack and Annie know they have to search for one of the four secrets of happiness to help Merlin the magician find joy in his life again. And so they head off in the magic tree house for Florence, Italy, in the early 1500s to spend the day with one of the greatest artists and inventors of all time: Leonardo da Vinci!

When the Magic Tree House whisks Jack and Annie off to Hawaii, it's for more than a vacation: They're in search of a fourth kind of magic for Morgan! On the way, they help an island community survive a tidal wave and, of course, take some time out to surf! Ultimately, they discover that the magic that they have found in this set of four books are everyday magics: the magic of the arts, the magic of the natural world, the magic of community - and the magic of fun.

Merlin the Magician will not eat or sleep or speak to anyone in Camelot. What can be done? The enchantress Morgan knows who to ask for help: young Jack and Annie of Frog Creek, Pennsylvania! The brother-and-sister team quickly head off in the magic tree house on another magical and historical adventure.