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Join the world’s greatest detective, Nate the Great, as he solves the mystery of a strange musical note! Nate the Great has just received a strange musical note. The note tells Nate's friend Pip what his mother wants him to do at four o'clock. Their friend Rosamond has turned the note into a riddle. Nate checks Rosamond's garage, but doesn't find any clues. Time is running out for Nate and his dog, Sludge. It's almost four o'clock. Will Nate the Great stay stuck in the middle of this musical riddle?

Where could those wolves be? When the kids visit the Maine wilderness, they spot a white mother wolf and her babies on a cliff. But soon after that, the pups are stolen! Can Dink, Josh, and Ruth Rose sniff out the culprits?

There's something spooky going on at the ranch! When Halloween arrives, Hank - the self-appointed Head of Ranch Security - has got his hands full of adventure. First there's a problem with the Tricker Trees. Then the ranch is invaded by two skeletons, a witch, and a pirate. And when Hank goes to investigate a strange sound in the cake house, he's sure it can only be one thing...a ghost. Can Hank rid the ranch of this unwanted visitor? Or is he destined to be spooked for good?

Thirteen-year-old Ben Ripley has had a lot of field success despite only just beginning his second year at Spy School, something graduates rarely experience. But he'd never have survived without the help from experienced agents and his friends. Now he's been called in on a solo mission - and the fate of the United States of America is on his shoulders alone. The mission: Prevent a presidential assassination by infiltrating the White House and locating the enemy operative.

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.

I is for Island.... It’s picnic time! Dink, Josh, and Ruth Rose pack up a basket and wade out to Squall Island. Right away, they find a 100-dollar bill in the sand! But when they come back the next day, the entire island has mysteriously disappeared. What is the secret of Squall Island?

For fans of Lemony Snicket and Escape from Mr. Lemoncello's Library, this first book in the bestselling, award-winning Mysterious Benedict Society Series is not to be missed! "Are you a gifted child looking for special opportunities?" Dozens of children respond to this peculiar ad in the...

A breathtaking, enchanting new series by debut author Jessica Townsend, about a cursed girl who escapes death and finds herself in a magical world--but is then tested beyond her wildest imagination. Morrigan Crow is cursed. Having been born on Eventide, the unluckiest day for any child to be...

Thanks to the evidence Ben uncovered in his investigation of the Croatoan, the CIA has tracked his nemesis, Murray Hill, to Central America, where they believe he is boarding the world’s biggest cruise ship, The Emperor of the Seas, on its maiden voyage around the world. His mission: Pose as part of a family, with Alexander and Catherine Hale as his parents, Erica as his sister, and his best friend Mike as his brother, to find out what Murray is plotting.

The Secret Series continues in this dangerous and daring fourth adventure. Cass finds herself alone and disoriented, a stranger in a dream-like, medieval world. Where is she? Who is she? With the help of a long-lost relative, she begins to uncover clues and secrets--piecing together her family's...

Dink keeps getting envelopes in the mail addressed to "D. Duncan". But the letters inside all start with "Dear Doris" and don't make any sense! Josh and Ruth Rose think someone's playing a trick on Dink. But Dink is sure there's more to it than that, especially after Doris herself shows up and demands her letters!

Twelve-year-old Ben Ripley is not exactly the best student spy school has ever seen - he keeps flunking Advanced Self Preservation. But outside of class, Ben is pretty great at staying alive. His enemies have kidnapped him, shot at him, locked him in a room with a ticking time bomb, and even tried to blow him up with missiles. And he's survived every time. After all that unexpected success, the CIA has decided to activate Ben for real.

The finale to the New York Times bestselling Secret Series! I always feared this day would come. A secret is meant to stay secret, after all. And now we've come to this: the fifth and final (I swear!) book in my saga of secrets. A class trip to the local natural history museum turns dangerous...

Le ragazze iniziano la gara ma, superata una curva, scorgono una sagoma spaventosa. Un drago? Un mostro marino? Spaventate si precipitano a casa di Barbie e Skipper, che nel frattempo si stavano godendo un bel bagno in piscina, e raccontano loro l'accaduto. Le investigatrici non si lasciano intimidire e decidono di risolvere il mistero come una vera squadra. Riusciranno a scoprire cosa si nasconde dietro la mostruosa apparizione? Vivi fantastiche avventure con Barbie e i suoi amici!

Listen and relive exciting tales from Highlights, now on audio! Learn about children who borrow their uncle’s time machine to get desserts and a boy who hunts for his lost teddy bear at bedtime, along with other stories about mystery and adventure.

It's sleepover night at a science museum in Boston. Dink, Josh, and Ruth Rose can't wait to settle their sleeping bags near the museum's colossal fossil - a giant Spinosaurus skeleton - and tour the exhibits long after closing time. But after they fall asleep, they wake to a terrible crash! Is the dinosaur fossil damaged? Or is there another big problem at the science museum?

After a sailing ship breaks up on the rocks off Washington's storm-tossed Cape Flattery, Nathan MacAllister, the 14-year-old son of the lighthouse keeper, refuses to believe the authorities, who say there were no survivors. Unexplained footprints on a desolate beach, a theft at the trading post, and glimpses of a wild "hairy man" convince Nathan that someone is hiding in the remote sea caves along the coast.

Once Amy and Dan Cahill's choice was simple - take a million dollars or the first of 39 Clues that lead to the source of unimaginable power. Now it's clear that the hunt for Clues is bigger than anything that Amy and Dan could ever have imagined.

Don't trust the gecko lady. Abbi, Lydia, and Daniel are trying out the new gecko-themed escape room at the local science museum. They're hunting down clues, picking up evidence, and solving a mystery all in the safety of the museum. But are they really safe? They're not the only detectives in the room and even the museum staff couldn't see this sticky situation coming. . .

Normally, Maya Mendoza wouldn't be caught dead at school on a Saturday, but it happens to be the most epic night ever: Marlowe Middle’s big sleepover! The Bubblegum Shoes detective agency is taking a night off from solving cases to enjoy the Battle of the Bands, the all-you-can-eat candy, and the limited adult supervision...or so they thought.