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Books 7 and 8 of the New York Times bestselling Magic Tree House series! Sunset of the Sabertooth: The Ice Age is very cool…for two kids in bathing suits! Jack and Annie nearly freeze when the Magic Tree House whisks them back to the time of cave people and woolly mammoths. But nothing can...

Was Andas an android - or the rightful emperor, held prisoner on a distant planet while an android impersonated him on the empire's throne world? Was Tallhassee Mitford a modern archaeologist suffering from strange delusions, or has an ancient Egyptian ankh somehow hurled her personality far back in the mists of time to a Nubian kingdom where she is now a warrior princess named Ashake, caught up in a struggle between the gods of Egypt? Two very different heroes in the grip of forces beyond control, beyond comprehension, both destined to be the only hope of doomed civilizations.

Perfect for fans of The Thing About Jellyfish, Echo, and Hour of the Bees, this charming time-travel story from husband-and-wife team Marisa de los Santos and David Teague follows one girl's race to change the past in order to save her father's future. Thirteen-year-old Margaret knows her father...

Buzz enters a downhill ski race to test his latest invention. It is a paint that makes his skis go super fast! But when he sees the other skiers in their fancy gear, Buzz feels nervous. Will his speed secret be enough to bring him a win?

Looking for a fun and engaging way to teach your child about Atatürk and the founding of the Turkish Republic? This beautifully illustrated children’s book is the first in an exciting time travel series, where young readers join Zeynep and Tolga, along with their clever crow friend Kara, as they journey through history with the help of the Magical Time Compass.

Step into history with Zeynep, Tolga, and their clever crow friend, Kara. When the siblings discover a mysterious Time Compass, it whirs to life and opens a doorway to Türkiye’s most transformative years under Mustafa Kemal Atatürk, the father of the Turkish Nation.

In the year 2124, the moons of the outer solar system are the ultimate playground for "Jumpers" extreme athletes who use high-tech gravity boots to leap across craters and surf planetary rings. Jax and Maya are the best in the cadet league, but they’re about to find out that Jupiter is more than just a gas giant; it’s a ticking time bomb.

Sunil and his inventor friend Alex have a problem. Alex's time machine went time-travelling all alone but lost its toy dog along the way! Now the machine is so upset and if it doesn't get its toy back soon, it will explode. Join Sunil and Alex on a race to find the teddy before it's too late, bumping into historical figures including Leonardo da Vinci and the Japanese artist Hokusai. This is art history like you've never seen it before!

Sunil and his extraordinary Auntie Alex are back for another hilarious adventure as they whizz through time. But Auntie Alex's time machine has started behaving strangely and using it has become even more unpredictable and dangerous than ever. From the dark and gloomy heights of the Tower of London to the tropical Galápagos islands, will Sunil and Alex be able to get home? And can they avoid the sinister Mr Shaykes and his pet kiwi?!

Once upon a time, in a galaxy so far, a spaceship zoomed through the twinkling stars. It swirled and twirled, then took a nosedive, and landed on a planet, not knowing where they'd arrive. The kids looked around, feeling a bit perplexed, for this planet was strange, unlike anything they'd expect.

Sunil and his scientist neighbour Alex need to return a pterosaur to the Jurassic period, but the time machine won't take them. Alex needs to use her thinking cap to find a way to fix the machine and send the dinosaur home! Join her and Sunil on an exciting journey through time, meeting Hedy Lamarr who invented Wi-Fi, Leonardo da Vinci and the father of mathematics, Archimedes.

Sunil's next door neighbour Alex is trying to cheer him up after a tricky maths test sends his day pear-shaped. Originally searching for an American corn dog, Sunil and Alex are soon journeying through time to meet child versions of future leaders. From getting in a scrap defending a young Rosa Parks to fetching water with baby Genghis Khan and a close encounter with the Tudors, will Sunil and Alex want to come back home at all? And will Mr Shaykes and his pet kiwi ever keep it down?!

Sunil and his not-very-normal next door neighbour Alex are back for another hilarious adventure as they whizz through time. This time Sunil and Alex find themselves tangled up in British civil wars, from the Roman invasion to the Battle of Bosworth in 1485 and their very own witch trial in the 1640s. As if that wasn't enough to deal with, there's double the trouble with Alex-from-the-future and her shiny boots running around too! Will Sunil, Alex and Alex-from-the-future ever get home?

One junk jetpack. One billion miles of ice. One chance to fly. Twelve-year-old Kevin is a "moon-bug" a kid from the tiny, dusty moon of Pan who spends his days scavenging for scrap metal in the shadows of Saturn. While the wealthy Corporate Teams flash across the sky in their multi-million credit starships, Kevin dreams of the Saturn Ring Circuit, the most dangerous race in the galaxy. When Kevin discovers a discarded Model-7 engine in a lunar junkyard, his dream finally has a heartbeat.

In the quiet dust of a forgotten hangar, twelve-year-old Leo’s world is confined to the silent cockpit of the Star Sabre, the last legendary starfighter of a bygone era. His lonely life of dreams and echoes is shattered when the ship’s dormant comms crackle to life with a mysterious signal from across the galaxy. Answering the ghostly call, Leo is launched into a desperate adventure through treacherous asteroid fields and whispering nebulas. To survive, he must rely on a grumpy, grizzled mechanic and a fearless, comet-surfing smuggler.

In a junkyard galaxy where old starships go to rust, a forgotten secret is waiting to be found. For George, a boy with scrapyard dust in his veins, life is a quiet adventure of tinkering with discarded parts. That is, until he unrolls a mysterious map made not of paper, but of pure, shimmering starlight. Teaming up with his brilliant best friend, Nova, they piece together a patchwork ship, The Wanderer, and launch themselves into the adventure of a lifetime.

A broken sword. A fractured timeline. Three friends racing to save reality itself. Thirteen-year-old Dylan never expected to find a legendary sword in his parents' attic, let alone one tied to the fate of history itself. When Dylan, along with his best friends Mahi and Lloyd, uncover the hilt of a broken sword, they’re swept into a world where time has changed, the past almost forgotten, and magic is as real as the danger closing in on them.

We could blame everything that happened on Marco. He was the one who heard about the downed submarine. He was the one who thought we should check it out. And everyone knows that if Marco's up to a challenge, I'm definitely there. Everything was going fine. Until the explosion. An explosion that blew us millions of years back in time, to the age of dinosaurs. Now Tobias, Cassie, Marco, Ax, Jake and I are fighting for our lives with every step we take. But that's not our biggest problem. Our biggest problem is we have no idea how to get back to our own time ...

We never should have done it. But we needed a break. Some time off from the superhero stuff. A chance to act like normal kids. Well - as normal as four kids who can morph into animals, a boy trapped in a hawk's body, and a bright blue alien can be. Everything should have been cool. Now Rachel is missing. And there's this... this thing that's after us.

Dak Hamee is a unique Hork-Bajir. His people call him a seer. He learns more quickly and completely than the rest of his docile race. Hork-Bajir like him are born once a generation. Aldrea is a young Andalite. Daughter of the notorious Prince Seerow. It is only after she and her family are sent to the Hork-Bajirhome world that she begins to fight the Yeerks—and, with Dak's help, ultimately discovers their hideous plan. Esplin 9466 is the Yeerk that will become the feared Visser Three. He has set out to defeat the Hork-Bajir, and begin the building of the Yeerk Empire.