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?

Michael Prasad knows he shouldn’t go out on the Mars surface alone. It’s dangerous. His parents have forbidden it. And the anxiety he feels almost every time he puts on a spacesuit makes it nearly impossible for him to leave the safety of the colony. But when his best friend, Lilith, suggests they sneak out one night, he can’t resist the chance to prove everyone - including himself - wrong.

Finn Foley has a lunchbox, and when he opens it, weird things come out...like a seven-foot-tall robot and a strange, blinking device that glues itself to his chest. The lunchbox also opens wormholes—shortcuts through space—that take Finn to the farthest corners of the galaxy. Sounds awesome, right?

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.

Lopside is a Barkonaut - a specially trained dog who assists human astronauts on missions in space. He and the crew aboard the spaceship Laika are en route to set up an outpost on a distant planet. When the mission takes a disastrous turn, the Barkonauts on board suddenly find themselves completely alone on their severely damaged ship. Survival seems impossible. But these dogs are Barkonauts - and Barkonauts always complete their mission.

Cog looks like a normal 12-year-old boy. But his name is short for “cognitive development”, and he was built to learn. After an accident leaves him damaged, Cog wakes up in an unknown lab - and Gina, the scientist who created and cared for him, is nowhere to be found. Surrounded by scientists who want to study him and remove his brain, Cog recruits four robot accomplices for a mission to find her. Cog, ADA, Proto, Trashbot, and Car’s journey will likely involve much cognitive development in the form of mistakes, but Cog is willing to risk everything to find his way back to Gina.

Cash, who loves basketball but has a newly broken wrist, is in danger of failing seventh grade for the second time. Fitch spends every afternoon playing Major Havoc at the arcade on Main and wrestles with an explosive temper that he doesn’t understand. And Bird, his 12-year-old twin, dreams of being NASA’s first female shuttle commander, but feels like she’s disappearing.

Liam Saunders-Chang is one of the last humans left on Mars. The son of two scientists who have been racing against time to create technology vital to humanity's survival, Liam, along with his friend Phoebe, will be on the last starliner to depart before Mars, like Earth before it, is destroyed. Or so he thinks. Because before this day is over, Liam and Phoebe will make a series of profound discoveries about the nature of time and space and find out that the human race is just one of many in our universe locked in a dangerous struggle for survival.

Like his fellow lunarnauts - otherwise known as Moonies - living on Moon Base Alpha, twelve-year-old Dashiell Gibson is famous the world over for being one of the first humans to live on the moon. And he's bored out of his mind. Kids aren't allowed on the lunar surface, meaning they're trapped inside the tiny moon base with next to nothing to occupy their time - and the only other kid Dash's age spends all his time hooked into virtual reality games.

Space travel just isn't what it used to be. With the invention of quantum teleportation, space heroes aren't needed anymore. When one particularly unlucky ex-adventurer masquerades as famous pilot and hate figure Jacques McKeown, he's sucked into an ever-deepening corporate and political intrigue. Between space pirates, adorable deadly creatures, and a missing fortune in royalties, saving the universe was never this difficult!

Polly Newton has one single-minded dream: to be a starship pilot and travel the galaxy. Her mother, the director of the Mars Colony, derails Polly's plans when she sends Polly and her genius twin brother, Charles, to Galileo Academy on Earth. Homesick and cut off from her plans for her future, Polly cannot seem to fit in to life on Earth. Strange, unexplained, dangerous coincidences centered on their high-profile classmates begin piling up.

You know about the invasion of Earth, and the Garde who will do anything to stop it. Yet there is still so much to learn. The stories in Zero Hour will help you get the answers you seek, but only the Garde and their allies can save our planet.

Earth is about to go dark. Without a new power source, life as we know it will be toast. A global competition is under way to determine which four kids will join the secret mission that might just save us all. Project Alpha is a contest of physical challenges, mental puzzles, and strategic alliances. The battle is fierce. Who will lead the team? Who will pilot the most complicated space ship ever built? Who will be a friend? An enemy? And how will they survive over a year stuck on a space ship together?

Syd Chambers grew up on Earth with his human mother and barely remembers his alien father from Denza, who left on a mission when Syd was very young. After leaving Earth, Syd learned the truth of his father’s disappearance on the planet Ashfall—his father had died protecting a devastating secret about the history between humans and Denzans.

After Tip and J.Lo banished the Gorg from Earth in a scheme involving the cloning of many, many cats, the pair is notorious - but not for their heroics. Instead, human Dan Landry has taken credit for conquering the Gorg, and the Boov blame J.Lo for ruining their colonization of the planet. Determined to clear his name, J.Lo and Tip pack into Slushious, a Chevy that J.Lo has engineered into a fairly operational spaceship, and head to New Boovworld, the aliens' new home on one of Saturn's moons.

Joey Harker isn't a hero. In fact, he's the kind of guy who gets lost in his own house. But then one day, Joey gets really lost. He walks straight out of his world and into another dimension. Joey's walk between the worlds makes him prey to two terrible forces: armies of magic and science who will do anything to harness his power to travel between dimensions.

The year is 1939. A secret society of extraordinary geniuses is about to share an incredible discovery with the world. A misguided enemy - half man, half machine - will stop at nothing to prevent the group from giving this forbidden knowledge to humanity. And a mother and son on vacation in New York City are handed a comic book infused with a secret code that will lead them straight into the crossfires of the conspiracy.

Cities all around the world reported strange alien vessels descending. Some saw them as the heralds of a new age; others fired everything they had at them. All were taken as the beams lashed down and drew them into the sky. Dean was left behind, seemingly the last man on Earth. A trail of clues left by his dead wife guides Dean on a perilous journey across America and beyond to learn the truth behind the mysterious ships and save humanity from its doom.

A devastated Earth's last hope is found in Pearls: small, mysterious orbs that fall from space and are capable of supplying enough energy to power entire cities. Battling to control the Pearls are the Skyship dwellers -political dissidents who live in massive ships in the Earth's stratosphere - and the corrupt Surface government.

Syd Chambers grew up on Earth with his human mother and barely remembers his alien father from Denza, who left on a mission when Syd was very young. After leaving Earth, Syd learned the truth of his father’s disappearance on the planet Ashfall—his father had died protecting a devastating secret about the history between humans and Denzans.

Fed up with her wild behavior, 16-year-old Lex’s parents ship her off to upstate New York to live with her Uncle Mort for the summer, hoping that a few months of dirty farm work will whip her back into shape. But Uncle Mort’s true occupation is much dirtier than shoveling manure. He’s a Grim Reaper. And he’s going to teach Lex the family business. She quickly assimilates into the peculiar world of Croak, a town populated by reapers who deliver souls from this life to the next.

Hotshot pilot Nax Hall has a history of making poor life choices. So it’s not exactly a surprise when he’s kicked out of the elite Ellis Station Academy in less than 24 hours. But Nax’s one-way trip back to Earth is cut short when a terrorist group attacks the Academy. Nax and three other washouts escape - barely - but they’re also the sole witnesses to the biggest crime in the history of space colonization. And the perfect scapegoats. On the run, Nax and his fellow failures plan to pull off a dangerous heist to spread the truth.

Bobby Pendragon is a seemingly normal 14-year-old boy. He has a family, a home, and even Marley, his beloved dog. But there is something very special about Bobby: he is going to save the world.

And not just Earth as we know it. Bobby is slowly starting to realize that life in the cosmos isn't quite what he thought it was. And before he can object, he is swept off to an alternate dimension known as Denduron, a territory inhabited by strange beings, ruled by a magical tyrant, and plagued by dangerous revolution.

Convicted criminal James Griffin-Mars is no one's hero. In his time, Earth is a toxic, abandoned world, and humans have fled into the outer solar system to survive, eking out a fragile, doomed existence among the other planets and their moons. Those responsible for delaying humanity's demise believe time travel holds the key, and they have identified James, troubled though he is, as one of a select and expendable few ideally suited for the most dangerous job in history.

Welcome to the Sweet Tooth Ice Cream & Candy Shoppe, where the confections are a bit on the... unusual side. Rock candy that makes you weightless. Jawbreakers that make you unbreakable. Chocolate balls that make you a master of disguise. Four young friends - Nate, Summer, Trevor, and Pigeon - meet the grandmotherly Mrs. White, owner of the Sweet Tooth, and soon learn about the magical side effects of her candies.

Humankind has escaped a dying Earth and set out to find a new home among the stars aboard an immense generation ship affectionately named the Ark. Bryan Benson is the Ark's greatest living sports hero, enjoying retirement working as a detective in Avalon, his home module. The hours are good, the work is easy, and the perks can't be beat. But when a crew member goes missing, Bryan is thrust into the center of an ever-expanding web of deception, secrets, and violence.

Maisie Danger Brown just wanted to get away from home for a bit and see something new. She never intended to fall in love with a boy at space camp. And she certainly never intended to stumble into a frightening plot that just might destroy everything and everyone she cares about. But now there's no going back - Maisie's the only thing standing between danger and annihilation. She must become the hero the world needs before she loses her heart... and her life.

Big Hero 6 features brilliant robotics prodigy Hiro Hamada, who finds himself in the grips of a criminal plot that threatens to destroy the fast-paced, high-tech city of San Fransokyo. With the help of his closest companion - a robot named Baymax - Hiro joins forces with a reluctant team of first-time crime fighters on a mission to save their city.

Rhoma Grace is a 16-year-old student from House Cancer with an unusual way of reading the stars. While her classmates use measurements to make accurate astrological predictions, she looks up at the night sky and makes up stories.

Natasha Romanoff is one of the world's most lethal assassins. Trained from a young age in the arts of death and deception, Natasha was given the title of Black Widow by Ivan Somodorov, her brutal teacher at the Red Room, Moscow's infamous academy for operatives.