The Kidd siblings have grown up diving down to shipwrecks and traveling the world, helping their famous parents recover everything from swords to gold doubloons from the bottom of the ocean. But after their parents disappear on the job, the kids are suddenly thrust into the biggest treasure hunt of their lives. They'll have to work together to defeat dangerous pirates and dodge the hot pursuit of an evil treasure hunting rival, all while following cryptic clues to unravel the mystery of what really happened to their parents - and find out if they're still alive.

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?

What makes Isaiah so unique? First, his fur is as blue as the sky - which until recently was something he'd never seen, but had read all about. That's right - Isaiah can read, and write. He can also talk to humans, if any of them are willing to listen! After a dramatic escape from a mysterious laboratory, Isaiah is separated from his "mischief" (which is the word for a mouse family), and has to use his special skills to survive in the dangerous outdoors, and hopefully find his missing family.

It was never easy for Sammy Hayes-Rodriguez to fit in, so he's dreading the day when his genius mom insists he bring her newest invention to school: a walking, talking robot he calls E—for "Error". Sammy's no stranger to robots—his house is full of a colorful cast of them. But this one not only thinks it's Sammy's brother... it's actually even nerdier than Sammy. Will E be Sammy's one-way ticket to Loserville? Or will he prove to the world that it's cool to be square?

Jamie Grimm is a middle schooler on a mission: he wants to become the world's greatest standup comedian—even if he doesn't have a lot to laugh about these days. He's new in town and stuck living with his aunt, uncle, and their evil son Stevie, a bully who doesn't let Jamie's wheelchair stop him from messing with Jamie as much as possible.

Discover what James Patterson calls “the coolest library in the world” in the New York Times bestselling, award-winning Mr. Lemoncello’s Library series!

Eleven-year-old P. T. Wilkie may be the greatest storyteller alive. But he knows one thing for a fact: The Wonderland Motel is the best place a kid could ever live! All-you-can-eat poolside ice cream! A snack machine in the living room! A frog slide! A giant rampaging alligator! (Okay, that last one may or may not be made up.) There's only one thing the Wonderland doesn't have, though: customers. And if the Wonderland doesn't get them soon, P. T. and his friend Gloria may have to say good-bye to their motel.

Charlie Thorne is a genius. Charlie Thorne is a renegade. Charlie Thorne isn’t going down without a fight. After tracking down incredible discoveries by Einstein and Darwin, Charlie is back. This time, the great ruler Cleopatra has left behind an extremely valuable and powerful treasure, its location encoded on an ancient stone tablet.

Ben Ripley may only be in middle school, but he's already pegged his dream job: CIA or bust. Unfortunately for him, his personality doesn't exactly scream "secret agent". In fact Ben is so awkward, he can barely get to school and back without a mishap. Because of his innate nerdiness, Ben is not surprised when he is recruited for a magnet school with a focus on science - but he's entirely shocked to discover that the school is actually a front for a junior CIA academy.

Matilda is a sweet, exceptional young girl, but her parents think she's just a nuisance. She expects school to be different but there she has to face Miss Trunchbull, a menacing, kid-hating headmistress. When Matilda is attacked by the Trunchbull she suddenly discovers she has a remarkable power with which to fight back. It'll take a superhuman genius to give Miss Trunchbull what she deserves and Matilda may be just the one to do it!

Twelve-year-old Sophie has never quite fit into her life. She’s skipped multiple grades and doesn’t really connect with the older kids at school, but she’s not comfortable with her family, either. The reason? Sophie’s a Telepath, someone who can read minds. No one knows her secret - at least, that’s what she thinks.... But the day Sophie meets Fitz, a mysterious (and adorable) boy, she learns she’s not alone. He’s a Telepath too, and it turns out the reason she has never felt at home is that, well...she isn’t. Fitz opens Sophie’s eyes to a shocking truth....

In the first book in this series, eight-year-old Drake is snatched up by King Roland's soldier and taken to the castle. He is to be trained as a Dragon Master. At the castle, he is joined by three other young Dragon Masters-in-training: Ana, Rori, and Bo. The Dragon Masters must learn how to connect with and train their dragons - and they must also uncover their dragons' special powers.

Sara Martinez is a hacker. She recently broke into the New York City foster care system to expose her foster parents as cheats and lawbreakers. However, instead of being hailed as a hero, Sara finds herself facing years in a juvenile detention facility and banned from using computers for the same stretch of time. Enter Mother, a British spy who not only gets Sara released from jail but also offers her a chance to make a home for herself within a secret MI5 agency. Operating out of a base in Scotland, the City Spies are five kids from various parts of the world.

Twelve-year-old Percy Jackson is about to be kicked out of boarding school...again. No matter how hard he tries, he can't seem to stay out of trouble. But can he really be expected to stand by and watch while a bully picks on his scrawny best friend? Or not defend himself against his pre-algebra teacher when she turns into a monster and tries to kill him? Of course, no one believes Percy about the monster incident; he's not even sure he believes himself.

What would happen if you discovered that your family was one of the most powerful in human history? What if you were told that the source of the family's power was hidden around the world, in the form of 39 Clues? What if you were given a choice - take a million dollars and walk away...or get the first Clue? If you're Amy and Dan Cahill, you take the Clue - and begin a very dangerous race.