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.

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.

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

Max Einstein is not your typical genius. She hacks the computer system at NYU to attend classes, builds inventions to help the homeless, and talks to Albert Einstein! (Okay, that's just in her imagination). But everything changes when Max is recruited by a mysterious organization! Their mission: solve some of the world's toughest problems using science. She's helped by a diverse group of young geniuses from around the globe as they invent new ways to power the farthest reaches of the planet. But that's only if the sinister outfit known only as The Corporation doesn't get to her first.

Finn McAllister was a normal middle school nerd - now he’s a ghost with a big mystery to solve. One minute, Finn was biking home from school, and the next, he was run off the road by a maniac in a big van. Now, he's a ghost. He can do lots of fun things, like try every ice cream flavor in the store, sneak up on people, and play as many video games as he wants. Finn even has a new ghost friend, Isabella, to show him the ropes. But he also has a lot of big questions, like: Who wanted him dead? And can he stop the maniac from striking again?

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.

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.

Charlie Thorne is a genius. Charlie Thorne is a thief. Charlie Thorne isn’t old enough to drive. And now, it’s up to her to save the world.... Decades ago, Albert Einstein devised an equation that could benefit all life on earth - or destroy it. Fearing what would happen if the equation fell into the wrong hands, he hid it. But now, a diabolical group known as the Furies are closing in on its location. In desperation, a team of CIA agents drags Charlie into the hunt, needing her brilliance to find it first - even though this means placing her life in grave danger.

Middle school is hard. Solving cases for the FBI is even harder. Doing both at the same time - well, that's just crazy. But that doesn't stop Florian Bates! Get to know the only kid on the FBI director's speed dial - and several international criminals' most wanted lists - in this adventurous series that School Library Journal says combines "elements of Alex Rider, James Bond, and Sherlock Holmes".

After an escaped kangaroo starts a fire that burns down his house, Teddy Fitzroy accepts an invitation to go to Malibu with his girlfriend, Summer, and her mother, Kandace. He’s hoping to spend some time relaxing on the beach, but wherever Teddy goes, trouble isn’t far behind. First, a massive dead whale has washed up on the beach—and before anyone can determine what killed it, it explodes. Doc, the head vet from FunJungle, suspects something fishy is going on and ropes Teddy and Summer into helping him investigate.

Teddy Fitzroy's back for another zoo mystery this time it's a koala caper in this action-packed follow-up to Belly Up, which Kirkus Reviews called great fun. School troublemaker Vance Jessup thinks Teddy Fitzroy's home at Fun Jungle, a state-of-the-art zoo and theme park, is the perfect place for a cruel prank. Vance bullies Teddy into his scheme, but the plan goes terribly awry. Teddy sneaks into the koala exhibit to hide out until the chaos dies down.

Eleven-year-old Charlie Reese has been making the same secret wish every day since fourth grade. But when she is sent to the Blue Ridge Mountains of North Carolina to live with family she barely knows, it seems unlikely that her wish will ever come true. That is until she meets Wishbone, a skinny stray dog who captures her heart, and Howard, a neighbor boy who proves surprising in lots of ways. Suddenly Charlie is in serious danger of discovering that what she thought she wanted may not be what she needs at all.

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.

Nicholas Flamel is the greatest Alchemyst to ever live. The records show that he died in 1418, but what if he's actually been making the elixir of life for centuries? The secrets to eternal life are hidden within the book he protects - the Book of Abraham the Mage. It's the most powerful book that has ever existed, and in the wrong hands, it will destroy the world. And that's exactly what Dr. John Dee plans to do when he steals it. There is one hope. If the prophecy is true, Sophie and Josh Newman have the power to save everyone. Now they just have to learn to use it.

Mason and Ty were once the very best of friends, like two nerdy sides of the same coin . . . until seventh grade, when Ava Petrakis came along. Now Mason can trace everything bad in his life to that terrible fight they had over the new girl. The one thing he’d give anything for is a do-over. But that can’t happen in real life—can it?