There lived a girl named Petra Peña, who wanted nothing more than to be a storyteller, like her abuelita. But Petra's world is ending. Earth has been destroyed by a comet, and only a few hundred scientists and their children - among them Petra and her family - have been chosen to journey to a new planet. They are the ones who must carry on the human race. Hundreds of years later, Petra wakes to this new planet - and the discovery that she is the only person who remembers Earth. A sinister Collective has taken over the ship during its journey.

Ever since Stella was a puppy, she was trained to use her powerful beagle nose to sniff out chemicals used in explosives and warn her human handler in order to keep people safe. But during a routine security inspection, Stella is distracted and misses the scent of an explosive chemical. The sound of the blast is loud and scary. Stella survives, but her handler is gone. Stella blames herself, certain she’s a bad dog. Scared of loud noises, especially thunder and fireworks, Stella struggles with her anxiety and must be retired from being a service animal.

Beauty comes at a price. And no one knows that better than Ebenezer Tweezer, who has stayed beautiful for 511 years. How, you may wonder? Ebenezer simply has to feed the beast in the attic of his mansion. In return for meals of performing monkeys, statues of Winston Churchill, and the occasional cactus, Ebenezer gets potions that keep him young and beautiful, as well as other presents. But the beast grows ever greedier with each meal, and one day he announces that he’d like to eat a nice, juicy child next. Ebenezer has never done anything quite this terrible.

Bell has spent his whole life—all eleven years of it—on Mars. But he's still just a regular kid—he loves cats and any kind of cake, and is curious about the secrets the adults in the US colony are keeping. Like, why don't they have contact with anyone on the other Mars colonies? Why are they so isolated? When a virus breaks out and the grown-ups all fall ill, Bell and the other children are the only ones who can help. It's up to Bell—a regular kid in a very different world—to uncover the truth and save his family...and possibly unite an entire planet.

When Ben reads his fortune-cookie fortune, he's alarmed and inspired. Immediately, he begins drafting a bucket list of unfinished tasks and lifelong dreams (finish his 1000-piece model of the Taj Mahal, eat an entire cake, etc.). As Ben marches himself in and out of trouble, takes useful risks, and helps both his parents to see the bigger picture, readers discover how something that seems scary can instead be empowering - leading to friendships that might never have been made, neighbors that might never have been known, and apple pies that might otherwise never have been baked.

The cat that Olive rescues from a flood has a secret: He's not really a cat at all, but an alien who crashed to Earth on a beam of light. The cat, whom Olive names Leonard, was prepared to visit the planet as a human - but something went wrong. Now Leonard may never know what it's like to hold an umbrella, go bowling, or host a dinner party. (And his human jokes still need some work: Knock, knock. Who's there? Just Leonard. It is me.)

J.D. has a big problem - it's the night before the start of third grade, and his mom has just given him his first and worst home haircut. When the steady stream of insults from the entire student body of Douglass Elementary becomes too much for J.D., he takes matters into his own hands and discovers that, unlike his mom, he's a genius with the clippers. His work makes him the talk of the town and brings him enough hair business to open a barbershop from his bedroom.

Odder spends her days off the coast of central California, practicing her underwater acrobatics and spinning the quirky stories for which she’s known. She’s a fearless daredevil, curious to a fault. But when Odder comes face-to-face with a hungry great white shark, her life takes a dramatic turn, one that will challenge everything she believes about herself—and about the humans who hope to save her.

Regan Fitz and Elliot Mason have been enemies since they started training to become Glitchers - people who travel through time to preserve important historical events. But everything changes when they find a letter from Regan’s future self, warning them about an impending disaster that threatens them and everyone they know.

When Sky Patel-Baum is sent to live with her mysterious uncle, she didn’t imagine she’d end up here: Area 51. A top-secret military base with a bajillion rules and so classified not even the president knows its secrets. Also, it turns out the place is full of aliens. Lots and lots of aliens. But they prefer to be called Break Throughs, thank you very much.

San Francisco and Orangevale may be in the same state, but for Héctor Muñoz, they might as well be a million miles apart. Back home, being gay didn’t mean feeling different. At Héctor’s new school, he couldn’t feel more alone.

Elliott has been struggling since his closest friend moved away, and he’s not too sure where he fits into his own family, especially since his newly remarried dad and stepmom are expecting a baby. His grades aren’t too great, he’s always forgetting things and he doesn’t really like sports. All together, the result is someone the complete opposite of his dad - a fact they’re both very aware of. Elliott’s only solace is cooking, where he can control the outcome, testing exciting recipes and watching his favourite cooking shows.

Twelve-year-old Caroline is a Hurricane Child, born on Water Island during a storm. Coming into this world during a hurricane is unlucky, and Caroline has had her share of bad luck already. She's hated by everyone in her small school, she can see things that no one else can see, and - worst of all - her mother left home one day and never came back. With no friends and days filled with heartache, Caroline is determined to find her mother. When a new student, Kalinda, arrives, Caroline's luck begins to turn around. Kalinda, a solemn girl from Barbados, seems to see the things Caroline sees, too.

Simi prayed to the gods, once. Now she serves them as Mami Wata—a mermaid—collecting the souls of those who die at sea and blessing their journeys back home. But when a living boy is thrown overboard, Simi goes against an ancient decree and does the unthinkable—she saves his life. And punishment awaits those who dare to defy the gods.

Harvey Hill just wants other kids to think he’s normal. So he’s happy to start fresh as the newest kid at Strangeville Middle School. Except Strangeville is anything but normal. Something sinister swims in the drinking fountain, the cafeteria could swallow you whole, and a giant rat named Cuddles is on the loose. And don't even get the vice principal started on the third-floor supply closet. In fact, don't even think about it. What supply closet?