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First Aleks' mom loses the car keys, which he finds in the fridge, and then Christoffer forgets how to get to his own house. On the surface it doesn't seem so bad, but events become more disturbing as the day progresses. Something strange is happening in Norway, and Aleks Mickelsen is the only one who can stop it. Too bad for us, the last thing he wants is another adventure.

“History can be hilarious, at least in the hands of author Dan Gutman.” —Washington Post In New York Times bestselling author Dan Gutman's all-new series, which blends fascinating real history with an action-packed and hilarious adventure, four very different kids are picked by a...

Two exciting Magic Tree House adventures, narrated by author Mary Pope Osborne. A BIG DAY FOR BASEBALL: Batter up! The magic tree house has whisked Jack and Annie back in time to the 1940's. They're in Brooklyn, New York for a very special baseball game. HURRICANE HEROES IN TEXAS: Jack...

The action is on the page, on your device, and out of this world! This multiplatform series is part sci-fi, all action-adventure. And you don’t have long to wait—six books are coming all in one year! Earth is in danger! The only thing that can save our planet are six essential elements...

Supervillains do not merely play hooky. True, coming back to school after a month spent fighting - and defeating - adult superheroes is a bit of a comedown for the Inscrutable Machine. When offered the chance to skip school in the most dramatic way possible, Penelope Akk can't resist. With the help of a giant spider and mysterious red goo, she builds a spaceship and flies to Jupiter. Penny and her friends find all this and more on Jupiter's moons, but what they don't find are any heroes to save the day.

Ann Aguirre's thrilling young adult novel Enclave is the story of two young people in an apocalyptic world--facing dangers, and feelings, unlike any they've ever known. New York City has been decimated by war and plague, and most of civilization has migrated to underground enclaves, where life...

It's summertime for supervillains! Or maybe not, because for Penelope Akk, there is still one foe she has yet to defeat: her own reputation as Bad Penny. It's been a fun ride: fighting adult heroes, going to space, and inspiring the rest of her school to open up about their own powers. Sooner or later, that ride has to end, and with school out of the way Penny is hatching a mad scheme to end it on her own terms. Will that go smoothly? Of course not. Penny's left too many unsolved problems behind her already, like ghosts, crazy friends, and angry little girls from Jupiter.

What would middle school be like if half your classmates had super powers? It's time for Penny Akk to find out. Her latest (failed) attempt to become a superhero has inspired the rest of the kids in her school to reveal their own powers. Now, all of her relationships are changing. She has a not-at-all-secret admirer, who wants to be Penny's partner almost as much as she wants to be Penny's rival. The meanest girl in school has gained super powers and lost her mind. Can Penny help her find a better one?

Penelope Akk wants to be a superhero. She's got superhero parents. She's got the ultimate mad science power, filling her life with crazy gadgets that even she doesn't understand. She has two superpowered best friends. In middle school the line between good and evil looks clear. In real life nothing is that clear. All it takes is one hero's sidekick picking a fight, and Penny and her friends are labeled supervillains. In the process Penny learns a hard lesson about villainy: She's good at it.

Percy Jackson meets Indiana Jones in the final installment of the New York Times bestselling epic adventure Seven Wonders! Jack, Marco, Cass, and Aly’s quest to find the seven magic orbs buried beneath each of the Seven Wonders of the Ancient World has hit a perilous snag. King Uhla’ar has...

Milo’s Louisiana bayou is overrun with alien bug invaders and magical creatures in this start to a breathtaking series that’s “the perfect mix of science fiction and magic” (Kirkus Reviews, starred review) from bestselling author Jonathan Maberry. In a world filled with Bugs—monsters...

In the not-too-distant future, in a place call Satellite City, thirteen-year-old Cosmo Hill is unfortunate enough to come into the world unwanted by his parents. And so, as are all orphaned boys his age, Cosmo is dipped in a vaccine vat and sent to the Clarissa Frayne Institute for Parentally...

After traveling through history multiple times and finding out his original identity, Jonah thought he'd fixed everything. But some of his actions left unexpected consequences. His parents - and many other adults - are still stuck as teenagers. And now Jonah has a new sibling, an identical twin brother named Jordan. As odd as all this is for Jonah, it's beyond confusing for Jordan. How does everyone in his family have memories of Jonah when he doesn't?

Jack, his genius siblings Ava and Matt, and inventor Dr. Hank Witherspoon travel to the Hawaiian island home of Ashley Hawking, a technology billionaire. Hawking and engineer Rosa Morris have built a revolutionary electricity plant that harvests energy from the deep ocean, but someone has been sabotaging the project. In their search for the culprit, Jack and crew navigate an unusual world of characters and suspects, including Hawking and her obnoxiously intelligent son.

Mori and her friends live a normal life on Firefly Lane in their utopian community, Old Harmonie. In a world this safe and perfect, they've never had to question anything...never had to wonder about how their lives came to be. Until a new girl named Ilana moves in. She's so perfect that Mori and her friends are curious.... Where exactly did Ilana come from, and why does she act so strange sometimes? When Ilana's secret is revealed, the kids on Firefly Lane must decide: Is it finally time to start questioning the only world they've ever known?

Mori and her friends Julia, Benji, and Theo have never seen the world beyond the walls of their utopian community, Old Harmonie. That changes when their new friend Ilana is threatened by the rules that are supposed to keep them all safe. Together, they escape, hoping to find help in Boston with Dr. Agatha Varden, one of Old Harmonie's pioneering founders. But as they encounter kids from the outside and face challenges they never expected, Mori and her friends begin to understand the complicated reality of their supposedly perfect world.

When Adam and his friends stay up late one night, they see bright lights in the sky. Lights that look suspiciously like flying saucers. Then, the next night, one of the saucers lands by the reservoir, and the creatures who come out of the ship don’t look like people at all. Their heads are too large, and their eyes are too big and black. Worse, they want Adam and his friends to come with them for a little ride in space. They practically drag the kids into their ship. Then the flying saucer takes off! Can Adam and his friends figure out a way to get home?

A warrior from the age of eight, most of Aleck's life has consisted of one horror piled upon the next. But during a rare lull in the fighting, she is given leave to live with her aunt and uncle. Desperately attempting to overcome her mental scars, she attends high school, and there she forms a circle of friends with three other students: tech-genius Ben, the observant Odette, and Jareth, disgraced high prince of the planet Rillia. Though close to them all, her bond with Jareth is much deeper, and the two discover that they have a unique telepathic connection.

The sixth instalment in the historic, hysterical and horrific Skulduggery Pleasant series. Think you’ve seen anything yet? You haven’t. Because the Death Bringer is about to rise…The Necromancers no longer need Valkyrie to be their Death Bringer, and that’s a Good Thing.There’s just one catch. There’s a reason the Necromancers don’t need her any more. And that’s because they’ve found their Death Bringer already, the person who will dissolve the doors between life and death.

WARNING: DO NOT BELIEVE THE STORY YOU'RE ABOUT TO HEAR. Well, you can believe some of it. There is some real history. But also hijinks. Time travel. And famous figures setting off on adventures that definitely never happened-till now. Time is getting twisted, and it's up to two kids to...