Before Jake’s grandfather died, he was on the trail of a centuries-old mystery. And he has entrusted that mystery to Jake, leaving behind a set of hidden codes, riddles, maps, and other clues that lead Jake and his friends on a scavenger hunt into the heart of Colorado’s wild and rugged Rocky Mountain National Park.

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.

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.

Kenny Wright is a kid with a secret identity. In his mind he's Stainlezz Steel, superpowered defender of the weak. In reality he's a chess club devotee known as a grandma's boy, a label that makes him an easy target for bullies. Kenny wants to bring a little more Steel to the real world, but the question is: Can he recognize his own true strength before peer pressure forces him to make the worst choice of his life?

Jimmy loves reading so much that he's inspired to start a book company for kids -- run by kids. It's a big dream for a twelve-year-old boy. Some would even say it's laugh-out-loud ridiculous!

David and his best friend Michael were tagged with awful nicknames way back in preschool when everyone did silly things. Fast-forward to seventh grade: "Pottymouth" and "Stoopid" are still stuck with the names—and everyone in school, including the teachers and their principal, believe the labels are true.

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

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?

Can a robot survive in the wilderness? When robot Roz opens her eyes for the first time, she discovers that she is alone on a remote, wild island. She has no idea how she got there or what her purpose is - but she knows she needs to survive. After battling a violent storm and escaping a vicious bear attack, she realizes that her only hope for survival is to adapt to her surroundings and learn from the island's unwelcoming animal inhabitants. As Roz slowly befriends the animals, the island starts to feel like home - until, one day, the robot's mysterious past comes back to haunt her.

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.

Sixth grader Greg Heffley doesn't understand his annoying younger brother, obnoxious older one, or well-meaning parents. But he knows enough to record his daily thoughts in a manly journal - not some girly diary. In a unique novel brimming with laugh-out-loud moments, Greg chronicles his first turbulent year of middle school.

New York Times best-selling author Gordon Korman harkens back to his No More Dead Dogs days in this stand-alone that takes a tone more serious than you've ever heard from him before. A boy who's been a bully and hanging out with the wrong friends gets a new start after a memory-loss-inducing accident. But can someone really change who he is, or will the old him merely come back over time?

In Dinosaurs Before Dark, adventure is waiting to happen! Jack and his younger sister, Annie, stumble upon a tree house filled with books. Where did the tree house come from? How long has it been there? When Jack reads a book about the Cretaceous period, 65 million years ago, and wishes he could really see the pteranodon, it suddenly appears at his window. Magically. Before Jack and Annie can figure out the mystery, the tree house whisks them back to the prehistoric past.

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.

A hilarious new middle grade novel from beloved and best-selling author Gordon Korman about what happens when the worst class of kids in school is paired with the worst teacher. The Unteachables never thought they’d find a teacher who had a worse attitude than they did. And Mr. Kermit never thought he would actually care about teaching again. Over the course of a school year, though, room 117 will experience mayhem, destruction - and maybe even a shot at redemption.