検索キーワード： ミステリー

When Henry and his big dog Mudge see a spy kit for sale, they know right away that it's time to break open the piggy bank. With their spy hat and magnifying glass and secret code card, Henry and Mudge can flirt with danger, steal secrets, and start cracking codes. On their first spy mission, Henry tells Mudge to try not to look suspicious. Mudge rolls in the mud and chews on an old shoe, so no one will ever think he's a spy. But then Henry finds a piece of paper with a real spy code written on it.

March, AD 80. In Rome, the Emperor Titus has announced that there will be 100 days of games to open the new Flavian amphitheatre (now known as the Colosseum). Suspecting that their friend Jonathan is not dead, as they had thought, Flavia, Nubia, and Lupus organize an invitation to Rome on the pretense of witnessing this historic event.

The fever that started in Ostia is sweeping through Rome, and Jonathan, Flavia, Nubia, and Lupus are called by the Emperor to investigate. The friends' investigations take them from the Imperial Palace to Tiber Island, but Jonathan is distracted by a secret mission of his own. Suddenly, he finds that everything is terrifyingly out of control.

The precious Crown Jewels have been stolen, and there's only one person who can help the Queen: her newest secret agent, Mac B. To help her, he must travel around the globe in search of the stolen treasure...but will he find it in time? From secret identities to Karate hijinks, this fast-paced, witty, and historically inspired chapter book will keep listeners guessing. With fascinating historical facts masterfully sprinkled throughout, the first entry in this series offers adventure, intrigue, absurdity, and humor.

K is for Kidnapped! Someone has kidnapped the king and queen of Socotra. For safety's sake, their son is staying with Dink until they are safe. But then the prince is kidnapped, too! Can Dink, Josh, and Ruth Rose unmask the royals' enemies before it's too late? Or is the royal family of Socotra gone forever?

When Josh discovers a nest of young falcons in the forest, he, Dink, and Ruth Rose start visiting every day. But in the morning they find it empty! The kids discover a wounded falcon with its wing feathers clipped, and they know someone's up to no good. Can they figure out what's going on before it's too late to save the falcons?

M is for Mummy...It's Mummy Monday at the museum, and Dink, Josh, and Ruth Rose are excited about the new Egyptian exhibit. It features a child mummy in an actual tomb! But then the mummy is stolen and the tomb robbed of its treasure. Can Dink, Josh, and Ruth Rose unravel the mystery and return the mummy to its rightful resting place?

There once was a dog with a keen sense of smell. She was known far and wide as Detective Dog Nell. Peter's dog, Nell, has an amazing sense of smell. Whether it's finding a lost shoe or discovering who did a poo on the new gravel path, her ever-sniffing nose is always hard at work. But Nell has other talents, too. Every Monday she goes to school with Peter and listens to children read. So who better to have on hand when they arrive one morning to discover that the school's books have all disappeared?

Like his fellow lunarnauts - otherwise known as Moonies - living on Moon Base Alpha, twelve-year-old Dashiell Gibson is famous the world over for being one of the first humans to live on the moon. And he's bored out of his mind. Kids aren't allowed on the lunar surface, meaning they're trapped inside the tiny moon base with next to nothing to occupy their time - and the only other kid Dash's age spends all his time hooked into virtual reality games.

Some time has passed since the inimitable quartet of Reynie, Sticky, Kate, and Constance have had a mission together. But with the arrival of a new Society member - and a new threat - they must reunite to face dilemmas more dangerous than ever before, including the villainous Mr. Curtain and a telepathic enemy tracking their every move, not to mention a dramatically preteen Constance. In its triumphant return, the Society encounters all new challenges, but the series' trademark sly humor, sweet camaraderie, hairsbreadth escapes, and mind-bending puzzles are all as engaging as ever.

L is for Lucky. . . . And that's just how Lucky O'Leary feels when the lottery ticket his grandfather sends him for Christmas turns out to be a million-dollar winner! But before Lucky can cash it in, someone sneaks into his house and steals it. Now it's up to Dink, Josh, and Ruth Rose to track down the thief and return the ticket . . . before Lucky loses out!

"The House on the Cliff", the second installment in the Hardy Boys series by Franklin W. Dixon, follows brothers Frank and Joe Hardy as they delve into mysterious case involving eerie mission perched on a cliff overlooking Barmet Bay. The story begins when their father, Ferton Hardy, a renowned private detective, goes missing while investigating a smuggling operation. Determined to find their father and solve the case, Hardy boys explore the creepy old house, which holds dark secrets and hidden dangers.

"The Haunted House on the Lake" is a captivating bedtime storybook that takes young readers on an enchanting journey into a world of mystery and magic. Set against the backdrop of a picturesque lakeside town, the story unfolds with rich detail and vivid imagery, drawing readers into a realm where secrets lurk in every shadow and adventure awaits around every corner.

When a mysterious amulet falls into the hands of a group of friends, chaos erupts around them—objects move on their own, strange illusions appear, and mischief follows their every step. Determined to uncover the truth, they embark on a thrilling journey to track down the amulet’s origins. Along the way, they encounter magical creatures, solve ancient puzzles, and uncover a long-lost secret. But can they break the curse before the amulet’s tricks become too powerful to control? The Mystical Jinxed Amulet is a spellbinding middle-grade fantasy filled with adventure, mystery, and teamwork.

In The Mystery of the Broken Word, siblings Ethan and Emma embark on a thrilling journey to uncover the mystery of a Bible found in their small town’s church, its pages inexplicably jumbled and unreadable. As they dive deeper into the Bible’s strange origins, they uncover dark secrets tied to Pastor James’ family and a centuries-old curse plaguing the town.

Oncle Kid. O comme OURAGAN, K comme COURAGE ! Et bien plus que ça encore : sa nièce Juliette et son neveu Ulysse découvrent que leur oncle fantasque n'est autre que le plus grand agent secret d'Europe occidentale. C'en est fini des paisibles vacances dans le Poitou. Ensemble, ils doivent mener à bien une mission ultra-top secrète et affronter les redoutables moustachus de la Firme. Y parviendront-ils ? Pour le savoir, n'attendez plus : plongez dans leurs aventures.

Teddy Fitzroy, his family, and some other FunJungle employees have been invited to visit a bison ranch just outside Yellowstone National Park that FunJungle’s owner, J.J. McCracken, is considering purchasing. But as usual, trouble isn’t far behind. The ranch’s endangered bison have been mysteriously disappearing. Then a massive local grizzly bear named Sasquatch breaks into the house, causing chaos. In the aftermath, Kandace McCracken discovers that her exceptionally expensive sapphire necklace has vanished.

In 1875 Ohio, 12-year-old Cap Cooper is an aspiring inventor - and a reluctant graverobber - enlisted by his father to help pay for his mother's medical expenses. When one of the dead returns to life at his touch, Cap unearths a world of dark secrets that someone at the local medical school wants to keep buried. On the brink of discovery, he'll have to use every ounce of cunning he has to protect those he loves most and save his own skin.

Years ago, a man vanished from the yellow house on Surprise Island. Why? The Aldens have found a clue to the mystery!

Amy and Dan find themselves in a new global race but this time, everything’s different. Those closest to them might be working for the enemy, and Amy and Dan are forced to ask themselves how far they’re willing to go to save the kidnapped Cahills. How much can you risk when there’s no one to trust?