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.

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

Rafe Khatchadorian has enough problems at home without throwing his first year of middle school into the mix. Luckily, he's got a foolproof plan for the best year ever, if only he can pull it off: With his best friend Leonardo the Silent awarding him points, Rafe will break every rule in his school's oppressive Code of Conduct. Chewing gum in class--5,000 points! Running in the hallway--10,000 points! Pulling the fire alarm--50,000 points! But when Rafe's game starts to catch up with him, he'll have to decide if winning is all that matters.

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. But Jamie doesn't let his situation get him down. When his Uncle Frankie mentions a contest called The Planet's Funniest Kid Comic, Jamie knows he has to enter.

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.

What if your favorite characters came to life? Billy’s spending the summer in a lakeside cabin that belongs to the mysterious Dr. Libris. But something strange is going on. Besides the security cameras everywhere, there’s Dr. Libris’s private bookcase. Whenever Billy opens the books inside, he can hear sounds coming from the island in the middle of the lake. The clash of swords. The twang of arrows. Sometimes he can even feel the ground shaking. It’s almost as if the stories he’s reading are coming to life! But that’s impossible...isn’t it?

With her irresistible urge to tell a joke in every situation—even when she really, really shouldn't—twelve-year-old Jacky Ha-Ha loves to make people laugh. And cracking wise helps distract her from thinking about not-so-funny things in her life, like her mom serving in a dangerous, faraway war, and a dad who's hardly ever home.

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.

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 smart?

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.

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.

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.

On a family trip to Paris, Greg Rich's parents disappear. They're not just missing from the city - they're missing from the century. So, Greg does what any other 14-year-old would do: He travels through time to rescue them. Greg soon finds out that his family history is tied to the legendary Three Musketeers. But when he meets them, they're his age, and they'll only live long enough to become true heroes if he can save them.

It’s 1936, in Flint Michigan. Times may be hard, and ten-year-old Bud may be a motherless boy on the run, but Bud’s got a few things going for him. 1. He has his own suitcase full of special things. 2. He’s the author of Bud Caldwell’s Rules and Things for Having a Funner Life and Making a Better Liar Out of Yourself. 3. His momma never told him who his father was, but she left a clue: flyers advertising Herman E. Calloway and his famous band, the Dusky Devastators of the Depression!!!!!! Bud’s got an idea that those flyers will lead him to his father.

For centuries, mystical creatures of all description were gathered to a hidden refuge called Fablehaven to prevent their extinction. The sanctuary survives today as one of the last strongholds of true magic in a cynical world. Enchanting? Absolutely. Exciting? You bet. Safe? Well, actually, quite the opposite... Kendra and her brother Seth have no idea their grandfather is the current caretaker of Fablehaven.