検索キーワード： ミステリー・サスペンス

Olive Cobin Zang has . . . issues. And they mostly aren’t her fault. (No, really!) Though she often slips under the radar, problems have a knack for finding her. So, imagine her doubts when she’s suddenly dropped off at the strangest boarding school ever: a former castle turned prison that's now a “reforming arts school”!

Colin has spent all summer solving mysteries with his friend Nevaeh. But they’ve only ever dealt with other people’s mysteries—ones that are safe for Colin to think about. He’s still stuck on the mystery surrounding his own father, who his mother refuses to talk about and he can’t remember meeting. Then one morning Colin finds a shoebox on his porch with a note on top: “Your father wanted you to have this.” Inside the box is a key. This new clue makes Colin even more determined to find out the truth about his dad and why his parents split up when he was a baby.

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....

When the mudlarking gang find a mysterious cutlass on the banks of the Thames, they immediately know that something fishy is afoot. When the cutlass vanishes, and Mrs Drummonds disappears too, it’s down to Clem and the gang to find them. The mystery leads them to a band of ghost pirates, who will stop at nothing to find their long-lost treasure. With the help from their friends in the Undercity, the gang must set sail on the seven seas, solve riddles and save the day!

When tech-savvy Arianna Lynn and book-loving Kiya Jo are sent to spend the summer at their great-grandfather’s old farm, they expect boredom, bugs, and absolutely no Wi-Fi. What they get instead is a mystery buried deeper than the roots of the orchard.

Penelope Weaver has spent her whole life preparing to attend Anaximander’s Academy, where students learn how to bring to life the stories of Greek mythology as well as discover the Greek god whose principles they most embody. Penelope knows she’s an Athena—all smart, practical, and rule-following girls who take part in stories that matter are Athenas. But when Penelope and her twin brother Paris arrive at Anaximander’s, it appears fate has other plans. Penelope isn’t placed with Athena but with students who are anything but practical and who prefer parties to rules.

Sandy Fin and his best friend Lily are enjoying life by the sea, after saving Portwhistle and its marine life from Albo Start's aquapark. Suddenly, odd things start to occur: an escaped convict is on the loose, curious mounds of sand appear on the beach. Strangest of all are reported sightings of the Phantom Diver – a figure of Portwhistle legend, long believed to be a figment of the most inventive imagination! Suspicious, Sandy and Lily dive, snoop and climb their way through the mystery towards the Phantom Diver's true identity.

The City Spies are ready to start fresh with a new home, new schools, and a new directive now that Clementine has come in from the cold and Le Fantôme has been put behind bars. But their plans are put into jeopardy when Umbra threatens to attack multiple high-level targets across Europe unless he is released from prison. With intel leading them to Rome, Paris, London, and Amsterdam, the City Spies split up and race across the continent solving codes and chasing clues in an effort to thwart the attacks.

Es sind Ferien in Lakeside und Tom, der Reitlehrer, der regelmäßig im Cups und Saddles Reitercafe arbeitet, bittet die Freundinnen, ihn einige Tage im Cafe zu vertreten und sich um alles zu kümmern. Natürlich sagen Hannah, Sarah, Lisa und Sofia begeistert zu. Doch sie merken schon am ersten Tag, dass es harte Arbeit bedeutet, für ein Cafe verantwortlich zu sein. Also verteilen sie die Aufgaben so, dass jede von ihnen das tut, was ihr am meisten liegt. Fortan läuft es besser, doch die Ruhe hält nicht lange, als sie durch Zufall eine geheime Falltür entdecken, die allerdings verschlossen ist.

Junior agents Finn, Milo and Tasi, along with a young hacker, Ether, and Arty the microraptor, are dispatched to Scotland to recover stolen technology that could plunge the world into chaos. It's their most nail-biting mission yet – even before they wake a monster from the deep ...

In this book, Dr Date unveils his latest invention: The Portal Traveller, which breaks all known laws of physics. What adventure will our fruity friends encounter?

When Cookie, a clever Beagle with a sharp nose for mysteries, hears barking through the night, she knows something isn’t right. With the help of her goofy but lovable brother, Blaze, and their sophisticated, well-traveled friend, Benedict, Cookie sets out to uncover the truth.

When Mia stumbles upon a mysterious shipwreck hidden in a seaside cove, she’s drawn to its haunting presence—and the chilling whispers that seem to call her name. The Silent Horizon isn’t just abandoned…it’s trapped in time.

In a world that has no name, a small white cat and a large brown dog walk together—not to find answers, but to stay present in the questions.

Six weeks have passed since Annie Shearer and Runt competed valiantly at the Krumpets Dog Show. The town of Upson Downs is rejuvenated. The grass is green. The rivers are flowing. And a Tournament of Champions has just been announced, with the world's best canine talent invited to showcase their skills in the Grand Ballroom of the abandoned Robert-Barren estate.

Multiple award-winning author Michael Buckley's New York Times best-selling Sisters Grimm series is phenomenally popular. In their fourth adventure, Sabrina, Daphne, Granny Relda, and Puck hit the streets of New York City to search for Puck's family. They quickly get wrapped up in a murder investigation, however, when a maniacal Everafter is discovered to be on the loose.

The Sisters Grimm books are hits with young readers and critics. In their third outing, Sabrina and Daphne confront the menace behind the family's troubles, Little Red Riding Hood. After meeting their recently returned uncle Jake, the girls embark on a harrowing quest to reconstruct the mythical vorpal blade, the only weapon capable of killing Red's pet and bodyguard, the dreaded Jabberwocky.

It’s summer in 1880 Stockholm, and the city bakes in the heat—but the heat on twelve-year-old Mika is lifting. After lying low following the dramatic blast at the jail, Mika’s relieved to learn her name is finally cleared. And it’s not a moment too soon—because Detective Hoff has a perplexing case involving the disappearance of a local teen. The girl’s wealthy family wants to make sure things stay quiet. Why would a girl who has everything want to run away? And why is her family so afraid to go public?

Each story in the Zoey and Sassafras series features a new magical animal with a problem that must be solved using science. There isn’t a set formula for each book; Zoey sometimes needs to run experiments, while other times she needs to investigate a mystery, and yet other times she needs to do research. Zoey models how to keep a science journal through her handwritten entries in each story. Each story is complete with a glossary of the kid-friendly definitions for scientific terms used.

Ben Ripley is recruited for a top secret mission to bring down his nemesis, Murray Hill, once and for all. But when things go horribly wrong, Ben ends up lost in an extremely dangerous wilderness with Murray—and confronting a new, devious enemy—with none of his friends to help him. Now, Ben must figure out how to survive and deduce what evil plan his new enemy is plotting in time to thwart it.