When scientists discover a rare and mysterious mineral buried in the Earth’s crust, they have no idea that it just happens to be the most valuable substance in the entire universe. It’s not long before aliens show up to our little corner of the galaxy offering a promise of protection, some fabulous new technology, and entry into their intergalactic coalition - all in exchange for this precious resource. A material so precious that other alien forces are willing to start a war over it. A war that soon makes its way to Earth.

No one takes Spencer Zumbro seriously when he tried to warn his classmates about the mysterious things prowling the halls and classrooms of Welcher Elementary School. But when he sees Marv, the janitor, going after one of the creatures with a vacuum, he knows he's not the only one who can see them. With the help of his new friend, Daisy, Spencer has to find out what the janitors know. The children's search uncovers the magic taking place behind the scenes of their seemingly ordinary school.

Eleven-year-old Viviani Fedeler has spent her whole life in the New York Public Library. She knows every room by heart, except the ones her father keeps locked. When Viviani becomes convinced that the library is haunted, new girl Merit Mubarak makes fun of her. So Viviani decides to play a harmless little prank, roping her older brothers and best friend Eva to help out. But what begins as a joke quickly gets out of hand, and soon Viviani and her friends have to solve two big mysteries.

When Ali's best friend, Gabe, is reported missing, Ali is desperate to find him. At the same time, a string of burglaries targets his neighborhood - and even his own house. With his father on trial for a crime he didn't commit, it's up to Ali to search for clues and find his friend. But being a kid sleuth isn't easy - especially when your father warns you not to get involved! - and Ali soon learns that clues aren't always what they seem. Will his detective work lead to a break in Gabe's case or cause even more trouble for the Cross family?

It's been almost a year since Sila's mother traveled halfway around the world to Turkey, hoping to secure the immigration paperwork that would allow her to return to her family in the United States. The long separation is almost impossible for Sila to withstand. But things change when Sila accompanies her father (who is a mechanic) outside their Oregon town to fix a truck. There, behind an enormous stone wall, she meets a grandfatherly man who only months before won the state lottery.

Tim is just a peasant, but he dreams big. He wants more out of life than to grow up to be a woodsman like his father. Unfortunately, the only route to success in the kingdom of Wyld is to be born a prince. Still, Tim is determined. He is brave and clever and always tries to do the right thing—even though he rarely gets the credit for it.

Oliver Zahn, spitball champion and self-declared rule-wrecker of Brightling Middle School, is not a fan of his new homeroom teacher, Mr. Aidact. The guy is sort of stiff, never cracks a smile, and refers to them as “pupils.” The worst part is he catches Oliver before he can pull any of his signature pranks! It’s time for Oliver and his best friend, Nathan, to show the new teacher who’s boss.

On his 13th birthday, foster child Alcatraz Smedry gets a bag of sand in the mail - his only inheritance from his father and mother. He soon learns that this is no ordinary bag of sand. It is quickly stolen by the cult of evil Librarians who are taking over the world by spreading misinformation and suppressing truth. Alcatraz must stop them, using the only weapon he has: an incredible talent for breaking things.

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.

Boston, 1891. Sophia Tims comes from a family of explorers and cartologers who, for generations, have been traveling and mapping the New World - a world changed by the Great Disruption of 1799, when all the continents were flung into different time periods. Eight years ago, her parents left her with her uncle Shadrack, the foremost cartologer in Boston, and went on an urgent mission. They never returned. Life with her brilliant, absent-minded, adored uncle has taught Sophia to take care of herself.

Alex has a set of Enchanted cards. When she flutters her fingers above them, something magical happens: The cards come alive and create moving pictures of what is now and what is yet to come. But Enchantment is illegal in the city of Luma, and those who practice it are imprisoned forever in the Vaults - dark dungeons deep below the city. When Alex is betrayed by her foster sister Zerra, she knows she is in great danger. With the help of her little foster brother, Louie, she makes a daring escape.

Catherine Sterling thinks she knows her mother. Ruth Sterling is quiet, hardworking, and lives for her daughter. All her life, it's been just the two of them against the world. But now, Catherine is ready to spread her wings, move from home, and begin a new career. And Ruth Sterling will do anything to prevent that from happening.

By sixth grade, Miranda and her best friend, Sal, know how to navigate their New York City neighborhood. They know where it's safe to go, like the local grocery store, and they know whom to avoid, like the crazy guy on the corner.

But things start to unravel. Sal gets punched by a new kid for what seems like no reason, and he shuts Miranda out of his life. The apartment key that Miranda's mom keeps hidden for emergencies is stolen. And then Miranda finds a mysterious note.

It's August 1984, and paperboy Christopher Stewart has gone missing. Hours later, 12-year-old Sammy Cox hurries home from his own paper route, red-faced and out of breath, hiding a terrible secret. Crystal, Sammy's 17-year-old sister, is worried by the disappearance but she also sees an opportunity: the Stewart case has echoes of an earlier unsolved disappearance of another boy, one town over. Crystal senses the makings of an award-winning essay, one that could win her a scholarship - and a ticket out of their small Iowa town.

Efrén Nava’s Amá is his Superwoman - or Soperwoman, named after the delicious Mexican sopes his mother often prepares. Both Amá and Apá work hard all day to provide for the family, making sure Efrén and his younger siblings Max and Mía feel safe and loved. But Efrén worries about his parents; although he's American-born, his parents are undocumented. His worst nightmare comes true one day when Amá doesn't return from work and is deported across the border to Tijuana, México.