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The 39 Clues is unstoppable! The best-selling series returns with an adventure spanning four explosive volumes and a website that places listeners right in the action.

Meet Winnie, age 11. Winnie knows that "change" isn't all it's cracked up to be, especially when it means her best friend, Amanda, might be dropping her for someone else. Throw in a grumpy teenage sister, a cat who gets trapped in the wall, and a crush who has pinkeye, and Winnie decides that the rest of the world can do what it wants, but she's going to remain exactly the same. But every month brings hilarious adventures and crazy ups and downs. A lot can change in a year, maybe even Winnie.

New York Times bestselling adult author of The Bear and the Nightingale makes her middle grade debut with a creepy, spellbinding ghost story destined to become a classic. After suffering a tragic loss, eleven-year-old Ollie who only finds solace in books discovers a chilling ghost story about a...

The Boxcar Children have entered the Ruby Hollow Gem Mine’s annual gem-hunting competition. With a little instruction and the right gear, the Aldens have everything they need to become real rock hounds! They have a natural talent for rock-finding, and it’s not long before Jessie makes a fabulous find. But before she can enter her ruby in the competition, it disappears! Could there be a thief at the mine? Now, instead of digging for rocks, the Aldens are digging for clues. Who wants to win the contest so much that they would steal from the Aldens? The children don’t know, but they’re determined to find out!

江戸川乱歩の不朽の名作、少年探偵団シリーズ 名探偵・明智小五郎と共に小林芳雄少年率いる少年探偵団が怪人二十面相の悪事をあばいていきます。

Z was just the beginning! With A to Z Mysteries Super Editions, chapter book readers keep on collecting clues and solving mysteries with Dink, Josh, and Ruth Rose. Now with over 8 million copies in print, this classic kid-favorite series is back with a bright new look! Welcome to summer camp...

Z was just the beginning! With A to Z Mysteries Super Editions, chapter book readers keep on collecting clues and solving mysteries with Dink, Josh, and Ruth Rose. Now with over 8 million copies in print, this classic kid-favorite series is back with a bright new look! It’s winter in...

Amy and Dan must steal a Clue guarded by thousands of the world’s best-trained soldiers. With their enemies closing in, the brother and sister are separated. Now how will they stand a chance?

Only Joey Pignattano would agree to eat a worm in exchange for a dollar. Problem is, he doesn't trust Bobby Solofsky to hold up his end of the deal. So he's hired Jigsaw Jones and Mila Yeh to make sure Bobby keeps his word. But when the worm goes missing and the primary suspect is a mummy - on Halloween of all days! - Jigsaw Jones is the only one who can solve the case!

Meet Tyrone the Tyrannosaurus, Green Lawn’s newest–and biggest!–visitor. The kids’ old friend Jud Wheat is in town raising funds for a dinosaur museum. But after the show in Green Lawn, all Jud’s money disappears! Can Dink, Josh, and Ruth Rose track down the cash?...

When a brilliant young professor mysteriously disappears, Frank and Joe Hardy find themselves thrown into one of their most thrilling cases yet. From the lively halls of Kenworthy College to the eerie depths of the Honeycomb Caves, the brothers follow a trail of cryptic clues that begins with a strange message scrawled on an exam paper. But nothing could prepare them for the dangers that lie ahead. As they explore the rugged caverns along the windswept coastline, the Hardy boys stumble upon a hidden searchlight whose powerful beam reveals a startling discovery.

Two podcasting sleuths help their neighbor solve a cold case—one that's literally etched into the walls of their Brooklyn apartment building—in this cozy, twisty-turny middle grade whodunnit from the author of The Queen of Ocean Parkway. Twelve-year-old globetrotter Thea Lim-Lambert is...

Bayport, the home of the Hardy Boys, is suddenly experiencing numerous car thefts. When their friend, Jack Dodd, and his father are accused of stealing a car that mysteriously shows up parked behind their barn, Frank and Joe vow to clear Dodd's good name and track down the car theft ring. The challenge is that the police, state troopers, and even Frank and Joe's detective father, Fenton Hardy, have had no luck in figuring out how the cars disappear along the Shore Road without trace.

Mitchell Moinian tried to do some homework. But he kept jumping up and going to his bedroom window to peer down at the car. A street light made the chrome bumpers sparkle and the sleek blue body glow. Mitchell couldn't resist. He had to sit in the car. Mitchell had no idea how scary this ride was going to be.

It’s Easter time. Spid is excited about chocolate eggs and a very special cake – until he notices that carrots and lettuces are vanishing from his vegetable patch. How could they just disappear? Is there a vegetable thief at work? As he investigates, Spid must be as clever as Cleverley Evaleigh to solve the mystery. But can you solve the mystery before Spid in this fun Easter book for kids?

Katie Woo and Pedro are hot on the trail of a treasure map. But as it catches in the breeze, it keeps disappearing on them. Will they be able to nab the map and will it lead them to real treasure?

Five years, three months, and twelve days. That’s how long Wren’s mother has been missing. In dreams, Wren can see her again: her eyes, her hair, her smile. She can even hear her laugh. Her mother, one of hundreds of Native Americans considered missing or murdered in Oklahoma. Sometimes it...

Has our crime-fighting hero finally met his match? The evil Professor Moriarty seems able to guess his every move. As Holmes closes in on his arch-enemy, the two prepare to meet in a final confrontation. Who is going to win?

It's supposed to be a happy day at the Magic Kingdom—the return of the teenaged holographic hosts. But things go very wrong when a sudden lightning storm disrupts the celebration, and Amanda's mysterious sister, Jez, disappears. The only clue is the sighting of a wild monkey in the Magic Kingdom during the storm. The mystery deepens as Finn is contacted by Wayne, an old man he hasn't heard from in months....

On Max's birthday, he finds a kind of magic mirror in the attic. It can make him invisible. So Max and his friends start playing "now you see me, now you don't." Until Max realizes that he's losing control. Staying invisible a little too long. Having a harder and harder time coming back. Getting invisible is turning into a very dangerous game. The next time Max gets invisible, will it be...forever?