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When Frankie and Drew get in an argument about how ancient Egyptians really walked, there's only one way to set the record straight - a quick time-travel adventure! But what happens when Frankie and Drew's precious Sonic Suitcase ends up buried inside a booby-trap-ridden pyramid? There's only one way to get it back - by going inside and hoping they can make it out again.

When Frankie and his best friend, Drew, head back to the Middle Ages for one last trip with the Sonic Suitcase, they’re in for some strange surprises. What kind of knight rides a pig into battle? Who’s the mysterious stranger who turns up right when Frankie’s in serious trouble? And what could possibly make Drew want to stay in the Middle Ages forever?​ Only one thing is certain Frankie’s last time-travel adventure will be one to remember....

A young girl, Rella Deveraux-PenSword, is called to protect and defend Hleo: an enchanted refuge for the children of Earth One. Rella must stop a plague of Shadowsplitters, the miscreations of the plagiarist Archimago, from destroying the Wondercurrent: a source of life and hope for all the children under Hleo's protection. Rella's parents, Winter and Julian, are part of a secret alliance of Storykeepers. First, her mother disappears. Then, a few years later, when her father goes missing, Rella is forced to flee her home in the rural village of Ensea.

What does the last T on the Triple T Token stand for? Where did it come from? What did Arcade’s mom do with the token when she had it? And why does Arcade have it now? Arcade and Zoe Livingston have been on a quest for truth ever since the mysterious lady gave Arcade the token, said “Happy Travels,” and then vanished. Now, Arcade Livingston has just one wish on his 12th birthday: to experience the ests of life. From the highest, lowest, deepest, coldest, and hottest places on Earth to some of the greatest, Arcade will get his wish and much more than he could ever dream.

Hannah está cansada de las fiestas religiosas; su familia solo habla del pasado. De hecho, le parece que eso es lo que hacen en todas las fiestas judías. Pero este año, el Seder de Pesaj será diferente, Hannah será transportada misteriosamente al pasado...y solo ella conoce los horrores indescriptibles que le esperan.

Max is back with a thrilling new adventure that involves time travel, creepy bad guys, killer drones, and a shocking mystery about her past that she will stop at nothing to solve! Under constant danger of being kidnapped by the shadowy Corporation, Max is on the run from New York to London and beyond. But soon the call comes for the Change Maker kids' next mission: make sure no kid ever goes hungry again! If anyone can tackle a problem this big, Max and her genius friends can.

Esha Verma, her snotty apprentice Broccoli and his cunning pet tortoise have a dream. They are going to win the legendary Brain Trophy - the ultimate inventing prize. This year's entry: a time machine. But the day before the competition, Esha's ignoramus big sister hijacks the time machine and is lost in the Cretaceous age. With help from a new recruit for The Office of Time, Esha and Broccoli will have to face hungry dinosaurs, mysterious black holes and malfunctioning inventions to get them back in time.

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.

Christmas can mean anything.... For Missy, it's solving murders in 1909. For a little girl in Dublin, it's Plasmavores knocking at the door. For Davros, it's a summons from the Doctor, who needs the mad inventor's help.

In an alternate reality, 5,000 years in the future, the evil Dragon of Death has become ruler of Dragon City. Humans now live to serve the dragon population, and it’s no different for Billy Chan and his friends. After losing contact with their own dragons, they’re determined to track them down in this new city, even if it means putting their own lives at risk. But one dragon has turned to the dark side and has no plans to return.

Malice Morbid Malign isn't like the rest of her family. But when her younger sister, Antipathy-Rose, finds a sphere of solid amber in one of the forbidden swag rooms at Malignant House, and bites right through it, she unwittingly unleashes a world of trouble. Trapped within the amber sphere is Maniacal Malign’s time-stopping pocket watch. Maniacal Malign had been in exile for several centuries, but the moment Antipathy-Rose’s gnashers crack the amber, he is summoned back to monstrous action. Malice, Uncle Vex and Seth find themselves on a time-sensitive mission.

It’s January 1928, the day before the great flood. There’s a snowstorm, and the river is about to burst its banks - 14 souls will be lost. Can Glory an orphan with only one hand and her time-travelling friend, Needle, and their pet crow change the future? Is there anyone among all those people entombed in the snow-shrouded town who will listen?

Families are complicated! Molly’s dad seems so lonely. He lives on his own, he won’t get a pet and he doesn’t get on with his brother.... Best friends Molly and Beth suspect his problems lie in his past, but what can two 13-year-olds do about that? Well, when they have a time-travelling door, maybe they can do something! The girls go back to 1975 hoping to right some wrongs - if they can navigate 1970s cars, food and boybands. And if the colourful fashions don’t blind them first!

With tensions in Prague rising at the height of World War II, Isaac Wolf is forced to leave home with nothing more than a small backpack and a pendant in the shape of an eternity knot. His parents believe the pendant will keep him safe - if he can discover what it really means. This clue leads him to Rookskill Castle, home of the Special Alternative Intelligence Unit where gifted children can learn to harness their powers to support the Allies' cause.

In The Secret Explorers and the Tomb Robbers, Gustavo (history expert) and Kiki (engineering expert) are set the mission of stopping the Cairo Museum from closing down. They travel back in time to ancient Egypt and are soon drawn into a tense, thrilling adventure that involves breaking into pyramids, learning ancient Egyptian hieroglyphics and stopping thieves hoping to rob all the treasure from the Pharaoh's tomb.

I'm Humza Khan, the greatest 11-year-old rapper Eggington ever had. I've also faced deadly alien slugs, killer aunties and double maths. But now, I (and my best friend Umer I guess) face something even scarier - my dad! He's pretty fed up with us being naughty, so he's sending us away...to school. But this is not ordinary school. This is a special summer school in Pakistan, and man, something weird is going on - someone has been messing with time! I may have to save the world again....

Phineas T. Fogg and Lola Ray may have just saved the universe without really trying, but it’s going to take a lot of work to get Lola back home to the 21st century. Their only hope is to find Dimension Why. Good thing Lola’s father left her a map embossed on a Twinkie. But before Phin and Lola can begin their search, a mysterious girl, wearing a bathrobe and riding a dragon, absconds with the special snack cake! And, oh right, the mystery girl wants to destroy the universe!

Thirteen-year-old Corey Fletcher is the world’s first Throwback. He has the power to not only to travel back in time, but to change the past. It’s a power that comes with no small amount of responsibility - but when Corey tried fix some of history’s worst evils, he discovers that the consequences for his good deeds have changed him in ways that he never expected and ways he may not be able to fix. Trapped in a body that’s not his own, his powers all but gone, Corey realizes his latest mission may be the hardest of all - to save himself.

Mason and Ty were once the very best of friends, like two nerdy sides of the same coin . . . until seventh grade, when Ava Petrakis came along. Now Mason can trace everything bad in his life to that terrible fight they had over the new girl. The one thing he’d give anything for is a do-over. But that can’t happen in real life—can it?

A 31st-century boy and a 21st-century girl team up to save the universe, evade an evil race of bog mutants, and make a quick pit stop to visit the moon in Dimension Why. John Cusick’s middle-grade debut will transport you to a vast fantasy world full of absurd humor that will keep you gasping all the way to the twist ending.